Math with Sir Lester

Math with Sir Lester Providing yet just another thing you may need to know about Math.

Gallery: https://tinyurl.com/YouTubeGalleryofVideos

YouTube Channel: https://www.youtube.com/c/LesterLouSegumpan
TikTok Account: https://www.tiktok.com/.w.sir.lester

21/03/2026

THE CALCULUS: Computing the Antiderivative of a Trigonometric Function using the Substitution Rule_2

Rewatch this on YouTube
https://www.youtube.com/watch?v=HxHqPB5tECk&list=PLicRjIe0Q6RwlJMIW4FHKKFDeIvH8m7qC&index=70&pp=iAQB

Welcome to THE CALCULUS!

Sample Exercise on Computing the Antiderivative of a Trigonometric Function using the Substitution Rule

Please continue supporting us on our Math with Sir Lester's social media platforms.
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you and to God be all the glory!

21/03/2026

THE CALCULUS: Computing the Antiderivative of a Trigonometric Function using the Chain Rule_2

Rewatch this on YouTube
https://www.youtube.com/watch?v=VGDDLkgizOk&list=PLicRjIe0Q6RwlJMIW4FHKKFDeIvH8m7qC&index=69&pp=iAQB

Welcome to THE CALCULUS!

Sample Exercise on Computing the Antiderivative of a Trigonometric Function using the Chain Rule

Please continue supporting us on our Math with Sir Lester's social media platforms.
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you and to God be all the glory!

21/03/2026

Solving 8^(2𝑥+2) = 1 (p o w e r)

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Rewatch this on YouTube
https://www.youtube.com/watch?v=W4y6rTL4r4o&list=PLicRjIe0Q6RyD2BDV6MI-Do8ch1IzovQz&index=11&pp=iAQB

Please support our aim for all Math that matters by doing one or all of the following:
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you, and to God be all the glory!

21/03/2026

Solving 3^2𝑥 = 1/243 (p o w e r)

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Rewatch this on YouTube
https://www.youtube.com/watch?v=_IDGMwbmXZM&list=PLicRjIe0Q6RyD2BDV6MI-Do8ch1IzovQz&index=10&pp=iAQB

Please support our aim for all Math that matters by doing one or all of the following:
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you, and to God be all the glory!

21/03/2026

Practice Drill!: Square of a Binomial, (𝒂+𝒃)^𝟐

Rewatch this on YouTube
https://www.youtube.com/watch?v=sWVDUCIy5uA&list=PLicRjIe0Q6RxzUh5qaC4k4MWsNSG3qCTW&index=3&pp=iAQB

This video provides a short drill on the Square of a Binomial, (𝒂+𝒃)^𝟐. Students and teachers are encouraged to use this video to polish their skills and strengthen both mastery and conceptual understanding.

Instructions:

a) You will have 15 seconds to answer each item.
b) Keep track of your answers and record your score.
c) Try your best not to pause or skip any item.
d) Post your total score in the comments.

The video also includes a short discussion on a technique that can help you answer the items more easily. After the discussion, the drill will be repeated with less time per item so you can compare your performance before and after the discussion.

Students are advised to use a separate sheet of paper during the second drill to avoid seeing their previous answers.

Please support our aim for all Math that matters by doing one or all of the following:
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you, and to God be all the glory!

19/03/2026

Practice Drill!: Product of Sum and Difference, (𝒂+𝒃)(𝒂−𝒃)

Rewatch this on YouTube
https://www.youtube.com/watch?v=BcC83Sjiwt0&list=PLicRjIe0Q6RxzUh5qaC4k4MWsNSG3qCTW&index=2&pp=iAQB

This video provides a short drill on the Product of Sum and Difference, (𝒂+𝒃)(𝒂−𝒃). Students and teachers are encouraged to use this video to polish their skills and strengthen both mastery and conceptual understanding.

Instructions:

a) You will have 15 seconds to answer each item.
b) Keep track of your answers and record your score.
c) Try your best not to pause or skip any item.
d) Post your total score in the comments.

The video also includes a short discussion on a technique that can help you answer the items more easily. After the discussion, the drill will be repeated with less time per item so you can compare your performance before and after the discussion.

Students are advised to use a separate sheet of paper during the second drill to avoid seeing their previous answers.

Please support our aim for all Math that matters by doing one or all of the following:
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you, and to God be all the glory!

19/03/2026

Solving 3^(𝑥+1) = 1/81 (p o w e r)

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Rewatch this on YouTube
https://www.youtube.com/watch?v=-RC-WTFZfNU&list=PLicRjIe0Q6RyD2BDV6MI-Do8ch1IzovQz&index=9&pp=iAQB0gcJCcMKAYcqIYzv

Please support our aim for all Math that matters by doing one or all of the following:
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you, and to God be all the glory!

19/03/2026

Solving 4^2𝑥 = 1/4 (p o w e r)

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Rewatch this on YouTube
https://www.youtube.com/watch?v=KwLdi_ArLkg&list=PLicRjIe0Q6RyD2BDV6MI-Do8ch1IzovQz&index=8&pp=iAQB

Please support our aim for all Math that matters by doing one or all of the following:
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you, and to God be all the glory!

19/03/2026

THE CALCULUS: Computing the Antiderivative of a Trigonometric Function using the Substitution Rule_1

Rewatch this on YouTube
https://www.youtube.com/watch?v=Ba9YcMsFKrE&list=PLicRjIe0Q6RwlJMIW4FHKKFDeIvH8m7qC&index=68&pp=iAQB

Welcome to THE CALCULUS!

Sample Exercise on Computing the Antiderivative of a Trigonometric Function using the Substitution Rule

Please continue supporting us on our Math with Sir Lester's social media platforms.
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you and to God be all the glory!

19/03/2026

THE CALCULUS: Computing the Antiderivative of a Trigonometric Function using the Chain Rule_1

Rewatch this on YouTube
https://www.youtube.com/watch?v=q2A_zUm-fyM&list=PLicRjIe0Q6RwlJMIW4FHKKFDeIvH8m7qC&index=67&pp=iAQB

Welcome to THE CALCULUS!

Sample Exercise on Computing the Antiderivative of a Trigonometric Function using the Chain Rule

Please continue supporting us on our Math with Sir Lester's social media platforms.
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you and to God be all the glory!

18/03/2026

Practice Drill!: Product of Two Binomials, (𝒙+𝒂)(𝒙+𝒃)

Rewatch this on YouTube
https://www.youtube.com/watch?v=uPgAMx4ee9g&list=PLicRjIe0Q6RxzUh5qaC4k4MWsNSG3qCTW&index=1&t=128s&pp=iAQB

This video provides a short drill on the Product of Two Binomials, (𝒙+𝒂)(𝒙+𝒃). Students and teachers are encouraged to use this video to polish their skills and strengthen both mastery and conceptual understanding.

Instructions:

a) You will have 15 seconds to answer each item.
b) Keep track of your answers and record your score.
c) Try your best not to pause or skip any item.
d) Post your total score in the comments.

The video also includes a short discussion on a technique that can help you answer the items more easily. After the discussion, the drill will be repeated with less time per item so you can compare your performance before and after the discussion.

Students are advised to use a separate sheet of paper during the second drill to avoid seeing their previous answers.

Please support our aim for all Math that matters by doing one or all of the following:
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you, and to God be all the glory!

17/03/2026

Solving 7^(𝑥+5) = 343 (p o w e r)

Stay connected! Stay charged! Stay powered on!

Rewatch this on YouTube
https://www.youtube.com/watch?v=sXl7F0oD12U&list=PLicRjIe0Q6RyD2BDV6MI-Do8ch1IzovQz&index=7&pp=iAQB

Please support our aim for all Math that matters by doing one or all of the following:
a) Subscribe to our YouTube Channel for more related videos: https://www.youtube.com/c/LesterLouSegumpan
b) Follow us on this Page: https://www.facebook.com/LetsSharpenMATHHere
c) Follow us on our TikTok account: https://www.tiktok.com/.w.sir.lester
d) Visit the Gallery of High School Instructional Videos: https://tinyurl.com/YouTubeGalleryofVideos

Thank you, and to God be all the glory!

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