કિંમત શોધો: $\frac{2 \cdot 3^{n+1} + 7 \cdot 3^{n-1}}{3^{n+2} - 2 \cdot (1/3)^{1-n}}$

  • A
    $1$
  • B
    $3$
  • C
    $-1$
  • D
    $0$

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$\frac{1}{\sqrt{11 - 2\sqrt{30}}} - \frac{3}{\sqrt{7 - 2\sqrt{10}}} - \frac{4}{\sqrt{8 + 4\sqrt{3}}} = $

જો $12^{4+2x^2} = (24\sqrt{3})^{3x^2-2}$ હોય,તો $x$ ની કિંમત શોધો.

જો $20^{2-3x^2} = (40\sqrt{5})^{3x^2-2}$ હોય,તો $x$ ની કિંમત શોધો.

$\sqrt{2+\sqrt{5}-\sqrt{6-3 \sqrt{5}+\sqrt{14-6 \sqrt{5}}}}$ ની કિંમત શોધો.

$x \ne 0$ માટે,${\left( {\frac{{{x^l}}}{{{x^m}}}} \right)^{({l^2} + lm + {m^2})}} {\left( {\frac{{{x^m}}}{{{x^n}}}} \right)^{({m^2} + nm + {n^2})}} {\left( {\frac{{{x^n}}}{{{x^l}}}} \right)^{({n^2} + nl + {l^2})}}$ ની કિંમત શોધો.

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