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anonymous
 5 years ago
hi im having trouble finding the integral 1/u^216
anonymous
 5 years ago
hi im having trouble finding the integral 1/u^216

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bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0is u^2 16 in the denominator? or is only u^2 in the denominator?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0u^216 is in the denominator

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0substitue u for tan(x)

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0use trig substitution..

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i cant because there is a minus sign

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0integration by parts

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0Sorry meant partial fractions

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0I would go this way: 1/(u^216) = 1/[(u4)(u+4)]

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0A/(u4) + B/(u+4) = 1/(u^216) its easier.

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0Au + 4A + Bu  4B = 1

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i did that and i got 1/8lnu{u+4)+1/8ln(u4) but its wrong

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0Au + Bu +4A  4B = 1 (A+B)u + (AB)4 = 0*u + 1

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0A+B = 0 (AB) * 4 = 1

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0so now let me check over my arithmetic.. I get confused when I have to type out math problems.

bahrom7893
 5 years ago
Best ResponseYou've already chosen the best response.0http://www.twiddla.com/499646 hey can u go there, its easier for me to write there..

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i get (1/8)ln(u4)  (1/8)ln(u+4)
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