$\tan ^{-1}(x+1)+\cot ^{-1}\left(\frac{1}{x-1}\right)=\tan ^{-1}\left(\frac{8}{31}\right)$ માટે $x$ ના શક્ય મૂલ્યોનો સરવાળો કેટલો થાય?

  • A
    $-\frac{32}{4}$
  • B
    $-\frac{31}{4}$
  • C
    $-\frac{30}{4}$
  • D
    $-\frac{33}{4}$

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Similar Questions

$x$ માટે ઉકેલો: $\tan^{-1}\left(\frac{1-x}{1+x}\right) = \frac{1}{2} \tan^{-1} x$,જ્યાં $x > 0$.

$\tan ^{-1}\left(\frac{1}{8}\right)+\tan ^{-1}\left(\frac{1}{2}\right)+\tan ^{-1}\left(\frac{1}{5}\right)$ નું મૂલ્ય શોધો.

જો $\sin ^{-1} x < \cos ^{-1} x$ હોય, તો

જો $\frac{(x+1)^{2}}{x^{3}+x}=\frac{A}{x}+\frac{Bx+C}{x^{2}+1}$ હોય,તો $\sin^{-1} A + \tan^{-1} B + \sec^{-1} C$ ની કિંમત શોધો.

જો $y = \sin^{-1}\left(\frac{x^2 - 1}{x^2 + 1}\right) + \sec^{-1}\left(\frac{x^2 + 1}{x^2 - 1}\right)$,$|x| > 1$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો:

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