यदि $\sin x + \cos x = \frac{1}{5}$ है,तो $\tan 2x$ का मान ज्ञात कीजिए।

  • A
    $\frac{25}{17}$
  • B
    $\frac{7}{25}$
  • C
    $\frac{25}{7}$
  • D
    $\frac{24}{7}$

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$\sqrt{2} + \sqrt{3} + \sqrt{4} + \sqrt{6}$ का मान ज्ञात कीजिए।

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