Integration: The Change of Variables Technique (u-Substitution) [fbt]

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This [fbt] video is about using the Change of Variables and u-Substitution techniques to integrate functions in a Calculus course. This video includes examples involving indefinite integrals, definite integrals, functions with Euler's number, square root functions, trigonometric functions, and others. Instruction is delivered by Larry "Mr. Whitt" Whittington of Fort Bend Tutoring. Design, production and lesson plan created by Larry "Mr. Whitt" Whittington. U - Substitution and changing of variables methods are used in Pre-Calculus, Business Calculus, Calculus I, Calculus II, Calculus III, Advanced Calculus, Differential Equations and Physics courses.

[fbt] Timestamps
01:55 [01] ∫2x(x² + 1)² dx
06:05 [02] ∫(3 - x⁴)³x³ dx
10:00 [03] ∫dx/(3x + 5)
12:42 [04] ∫(sinx)/(cos³x) dx
15:34 [05] ∫e^(4√x)/√(x) dx
18:52 [06] ∫x/(x - 21) dx
23:53 [07] ∫⅓(sin5x) dx
27:00 [08] ∫x√(2x - 1) dx
33:18 [09] ₀∫⁴1/√(2x + 1) dx
37:01 [10] ₀∫^(π/2) cos(2x/3) dx

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I took Calculus in the 1970's. Your videos have helped me obtain a much better understanding and technique. Keep going! Thanks a lot!

gregoryhill
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my 6th-grade teacher would show us some of your videos, they always helped. Now I'm in high school, and I'm so glad you're still uploading!! Thanks for all you do <3

dyedhairchangedname
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Thank you so much for everything Mr. Whitt! I’ve accelerated in math so much because of all of your wonderful help. I hope that things are going great for you in life. Peace!! 💕

Jamey-xmdd
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excellent teaching. Easy to follow. Thank you so much Mr. Whit!

junebustamante
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Thanks for helping me during my academic upgrading. Now I'm doing electronic engineering. Cheers from Canada

vaterix
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Check out these helpful [fbt] timestamps!
01:55 [01] ∫2x(x² + 1)² dx
06:05 [02] ∫(3 - x⁴)³x³ dx
10:00 [03] ∫dx/(3x + 5)
12:42 [04] ∫(sinx)/(cos³x) dx
15:34 [05] ∫e^(4√x)/√(x) dx
18:52 [06] ∫x/(x - 21) dx
23:53 [07] ∫⅓(sin5x) dx
27:00 [08] ∫x√(2x - 1) dx
33:18 [09] ₀∫⁴1/√(2x + 1) dx
37:01 [10] ₀∫^(π/2) cos(2x/3) dx

Thanks 4 watching!
Mr. Whitt

FortBendTutoring
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Nice, can you cover by parts i am currently struggling with that. Thanks!

virajpatil
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Your videos are really useful for practise!!! Saludos desde México

raitup
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I'm almost there to calculus 2!!! Please make more of this integration techniques for our future learning!!!

edwardgaming
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HEY MR. Sooo I am having trouble understanding my teacher about Factorials, Permutations, and Combinations... could you please do a review on this because I don't trust the other tutors on youtube -_-... Thank you....YOU'RE DOING

samanthadenise