અસમતા ${\log _{10}}({x^2} - 2x - 2) \le 0$ નો ઉકેલ ગણ છે:

  • A
    $[ - 1, 1 - \sqrt 3 ]$
  • B
    $[1 + \sqrt 3, 3]$
  • C
    $[ - 1, 1 - \sqrt 3 ) \cup (1 + \sqrt 3, 3]$
  • D
    આમાંથી કોઈ નહીં

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$x$ ની કિંમત શોધો જે $\log _a x + \log _{\sqrt{a}} x + \log _{\sqrt[3]{a}} x + \dots + \log _{\sqrt[n]{a}} x = \frac{n(n+1)}{2}$ નું સમાધાન કરે છે.

સમીકરણ ${9^x} - {2^{x + 1/2}} = {2^{x + 3/2}} - {3^{2x - 1}}$ નો ઉકેલ શોધો.

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ધારો કે $k>0$ અને $t=\operatorname{sech}^{-1}\left(\frac{1}{2}\right)-\operatorname{cosech}^{-1}\left(\frac{3}{k}\right)$. જો $3 e^t=2+\sqrt{3}$ હોય,તો $k=$

જો $\operatorname{sech}^{-1}\left(\frac{1}{2}\right)-\operatorname{cosech}^{-1}\left(\frac{3}{4}\right)=\log _e k$ હોય,તો

જો $a^x = b^y = c^z = d^w$ હોય,તો $x\left(\frac{1}{y} + \frac{1}{z} + \frac{1}{w}\right)$ ની કિંમત શું થાય?

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