MCQ
$\int_{ - \pi /2}^{\,\pi /2} {(3\sin x + {{\sin }^3}x)\,dx} = . . .$
- A$3$
- B$2$
- ✓$0$
- D$\frac{{10}}{3}$
( Function $(3\sin x + {\sin ^3}x)$ is an odd function).
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$x+y-z=2, x+2 y+\alpha z=1,2 x-y+z=\beta$ આપેલ સમીકરણ સંહતિના અસંખ્ય બીજો હોય તો $\alpha+\beta$ ની કિમંત મેળવો.