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

  • A
    $\log_e \left(\frac{2}{\sqrt{3}}\right)$
  • B
    $\log_e 2\sqrt{3}$
  • C
    $0$
  • D
    $\log_8 3\sqrt{3}$

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જો $n = (2020)!$ હોય,તો $\frac{1}{\log _{2} n} + \frac{1}{\log _{3} n} + \frac{1}{\log _{4} n} + \ldots + \frac{1}{\log _{2020} n}$ ની કિંમત કેટલી થાય?

જો $A = \log _2 \log _2 \log _4 256 + 2 \log _{\sqrt{2}} 2$ હોય,તો $A$ ની કિંમત શોધો.

જો $(\log _{5} x)(\log _{x} 3x)(\log _{3x} y) = \log _{x} x^{3}$ હોય, તો $y$ ની કિંમત શોધો.

જો $x, y, z \in R^+$ એવા હોય કે જેથી $z > y > x > 1$,$\log_{y}x + \log_{x}y = \frac{5}{2}$ અને $\log_{z}y + \log_{y}z = \frac{10}{3}$ હોય,તો $\log_{x}z$ ની કિંમત શોધો.

ધારો કે $\theta \in R$ એ રીતે છે કે $3 \sinh (2 \theta)=13-3 e^{2 \theta}$,તો $\theta=$

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