MCQ
$\int_0^\pi {{e^{{{\cos }^2}x}}{{\cos }^5}3x} \,dx =$
- A$1$
- B$ - 1$
- ✓$0$
- Dએકપણ નહીં.
$[\because \int_{0}^{a}{f(x)dx=}\int_{0}^{a}{f(a-x)dx]}$
$I = - \int_0^\pi {{e^{{{\cos }^2}x}}{{\cos }^5}3xdx = - I} $
==> $2I = 0 \Rightarrow I = 0$.
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