Question

For $x\epsilon\left(0, \frac{5\pi}{2}\right)$, define $f(x)=\int\limits^x_0 {\sqrt{t}\sin t}\, \ dt$. Then f has
(a) local minimum at π and 2π
(b) local minimum at π and local maximum at 2π
(c) local maximum at π and local minimum at 2π
(d) local maximum at π and 2π

Answer 1

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