$\tan ^{-1}(x+1)+\cot ^{-1}\left(\frac{1}{x-1}\right)=\tan ^{-1}\left(\frac{8}{31}\right)$ के लिए $x$ के संभावित मानों का योग क्या है?

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

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Similar Questions

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

$\cot \left( {\sum\limits_{n = 1}^{19} {{{\cot }^{ - 1}}\left( {1 + \sum\limits_{p = 1}^n {2p} } \right)} } \right)$ का मान ज्ञात कीजिए।

यदि $\cos ^{-1}\left(\frac{12}{13}\right)+\sin ^{-1}\left(\frac{3}{5}\right)=\sin ^{-1} P$ है,तो $P$ का मान ज्ञात कीजिए।

यदि $\sin ^{-1} x+\cos ^{-1} y=\frac{3 \pi}{10}$ है,तो $\cos ^{-1} x+\sin ^{-1} y$ का मान ज्ञात कीजिए।

$\sin [\cot ^{ - 1}(\cos \tan ^{ - 1}x)] =$

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