Evaluate the integral: ∫cos(√x)/√x dx – InterviewSolution

1.

Evaluate the integral: ∫cos(√x)/√x dx

Answer»

Take √x = t

So we get

1/2√x dx = dt

By integrating w.r.t. t

∫cos t 2 dt = 2 sin t + c

By substituting the value of t

= 2 sin √x + c

Discussion

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