understand u substitution, 3 slightly harder examples, (expo 2-in-1 marker review)

توضیحات:

understand u substitution, 3 slightly harder examples,
integral of x/(1+x^4), @0:47
integral of tan(x)*ln(cos(x)), @4:29
integral of 1/(1+sqrt(x)), @7:47

check out the 2-in-1 expo markers! black red marker,
@ official Expo Markers: http://www.expomarkers.com/markers/dry-erase-2-in-1
@ staples: http://www.staples.com/Expo-Dry-Erase-2-in-1-Markers-Chisel-Tip-Assorted-6-pk-1944657-/product_1989946
@ amazon: https://www.amazon.com/Expo-Markers-Chisel-Assorted-1944656/dp/B019QC70MS


selected hw solution: http://www.blackpenredpen.com/math/Calculus.html,
follow me: https://twitter.com/blackpenredpen,


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straightforward math lessons




tags: u sub, u substitution examples, integration techniques, what is u sub, how to use u sub, integral calculus, calculus 1 integral problems, calculus 2 integral problems, calculus with blackpenredpen, integration by parts examples, integration with trig sub, integration with partial fractions, hard integral problems, understand integrations, expo 2-in-1 marker review, black red marker

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