Question: (a) Use integration by parts to show that, for any positive integer n, dx dx (x + a) 2'(n 1)(? + ')-1 2n 3 dx

(a) Use integration by parts to show that, for any positive integer n,

dx х dx (x² + a²)

(b) Use part (a) to evaluate

(a) Use integration by parts to show that, for any

dx dx (x + a)" 2'(n 1)(? + ')"-1 2n 3 dx 2( 1) (? + ')"-1

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