यदि $a = \frac{\sqrt{5} + 1}{\sqrt{5} - 1}$ और $b = \frac{\sqrt{5} - 1}{\sqrt{5} + 1}$ है,तो $\frac{a^{2} + ab + b^{2}}{a^{2} - ab + b^{2}}$ का मान ज्ञात कीजिए।

  • A
    $\frac{3}{4}$
  • B
    $\frac{4}{3}$
  • C
    $\frac{3}{5}$
  • D
    $\frac{5}{3}$

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$\sqrt{54} \times \sqrt{2120} \div \sqrt{460} = ?$

यदि $x=\frac{\sqrt{3}+1}{\sqrt{3}-1}$ और $y=\frac{\sqrt{3}-1}{\sqrt{3}+1}$ है,तो $(x^{2}+y^{2})$ का मान ज्ञात कीजिए।

$\frac{\sqrt{6727}}{\sqrt{7}} = ?$

यदि $\sqrt{x}=\sqrt{3}-\sqrt{5}$ है,तो $x^{2}-16x+6$ का मान क्या है?

$\sqrt{11449} \times \sqrt{6241} - (54)^{2} = \sqrt{?} + (74)^{2}$

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