જો $y=\tan ^{-1}\left(\frac{3 x-x^3}{1-3 x^2}\right)+\tan ^{-1}\left(\frac{4 x-4 x^3}{1-6 x^2+x^4}\right)$ હોય,તો $\frac{d y}{d x}$ ની કિંમત શું થાય?

  • A
    $\frac{2}{1+x^2}$
  • B
    $\frac{4}{1+x^2}$
  • C
    $\frac{6}{1+x^2}$
  • D
    $\frac{7}{1+x^2}$

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જો $\sin^{-1} \frac{3}{5} + \cos^{-1} \frac{12}{13} = \sin^{-1} C$ હોય,તો $C =$

$\cos \left(\sin ^{-1} \frac{1}{5}+\cos ^{-1} x\right)=0$ હોય,તો $x=$ . . . . . . .

$\sin^{-1} \sqrt{\frac{x}{x+a}}$ ની કિંમત શું થાય?

જો $x=\operatorname{cosec}(\tan ^{-1}(\cos (\cot ^{-1}(\sec (\sin ^{-1} a)))))$,જ્યાં $a \in [0, 1]$,તો નીચેનામાંથી કયું સાચું છે?

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