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integral

posted by on .

find the following integral
(1) dx/25+(x-5)^2

(2) cos^8xsinxdx

  • integral - ,

    (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

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