Problem

Problem

Let F(x)=∫sin⁡xcos⁡xet+sin⁡−1(t)2dtF(x) = \int_{\sin x}^{\cos x} e^{t + \sin^{-1}(t)^2} dt on [0,π2]\left[0, \frac{\pi}{2}\right] , then a. F′′(c)=0F''(c) = 0 for all c∈(0,π2)c \in \left(0, \frac{\pi}{2}\right) b. F′′(c)=0F''(c) = 0 for some c∈(0,π2)c \in \left(0, \frac{\pi}{2}\right) c. F′(c)=0F'(c) = 0 for some c∈(0,π2)c \in \left(0, \frac{\pi}{2}\right) d. F(c)≠0F(c) \neq 0 for all c∈(0,π2)c \in \left(0, \frac{\pi}{2}\right)

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