Asked by matrix school 2
find the following integral
(1) dx/25+(x-5)^2
(2) cos^8xsinxdx
(1) dx/25+(x-5)^2
(2) cos^8xsinxdx
Answers
Answered by
Marth
(1) Do you mean dx/(25+(x-5)^2) or dx(1/25+(x-5)^2)?
(2) (cos(x))^8sin(x)dx
let u = cos(x)
du = - sin(x)
= integral(-u^8du)
= -(u^9)/9 +C
= -((cos(x))^9)/9 +C
(2) (cos(x))^8sin(x)dx
let u = cos(x)
du = - sin(x)
= integral(-u^8du)
= -(u^9)/9 +C
= -((cos(x))^9)/9 +C
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