$\tan ^{-1}(x+1)+\cot ^{-1}\left(\frac{1}{x-1}\right)=\tan ^{-1}\left(\frac{8}{31}\right)$ 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

$\begin{aligned} & \text{જો } \cot \left(\cos ^{-1} x\right)=\sec \left\{\tan ^{-1}\left(\frac{a}{\sqrt{b^2-a^2}}\right)\right\} \\ & b>a, \text{ હોય તો } x= \end{aligned}$

$\tan ^{-1} 2 + \cot ^{-1}(-3) + \cot ^{-1} \frac{1}{3} + \tan ^{-1}\left(-\frac{1}{2}\right) = $

જો $y = \sec^{-1}\left(\frac{1}{2x^2 - 1}\right)$ હોય,તો $\frac{dy}{dx}$ શોધો,જ્યાં $0 < x < \frac{1}{\sqrt{2}}$.

$\frac{d}{dx} \left[ \tan^{-1} \left( \frac{a - x}{1 + ax} \right) \right] = $

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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