MCQ
$\int_0^1 {{{\cos }^{ - 1}}x\,dx = } $
- A$0$
- ✓$1$
- C$2$
- Dએકપણ નહીં.
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$f(x) = \left\{ {\begin{array}{*{20}{c}}
{{x^2} + 2mx - 1\,,}&{x \leq 0}\\
{mx - 1\,\,\,\,\,\,\,\,\,\,\,\,\,,}&{x > 0}
\end{array}} \right.$
જો $f (x)$ એક-એક વિધેય હોય તો $'m'$ ની કિમતોનો ગણ મેળવો.