समीकरण $\log _{101} \log _{7}(\sqrt{x+7}+\sqrt{x})=0$ का हल है

  • A
    $3$
  • B
    $7$
  • C
    $9$
  • D
    $49$

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$\operatorname{coth}^{-1} 3 + \tanh^{-1} \frac{1}{3} - \operatorname{cosech}^{-1}(-\sqrt{3}) = $

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

समीकरण $x+1-2 \log _{2}\left(3+2^{x}\right)+2 \log _{4}\left(10-2^{-x}\right)=0$ के मूलों का योग ज्ञात कीजिए:

$\left\{x \in R \mid \log_{10} ((1.6)^{1-x^2} - (0.625)^{6(1+x)}) \in R\right\}$ का मान है

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