यदि $N = \frac{\sqrt{7} - \sqrt{3}}{\sqrt{7} + \sqrt{3}}$ है,तो $N + \frac{1}{N}$ का मान क्या है?

  • A
    $2 \sqrt{21}$
  • B
    $5$
  • C
    $10$
  • D
    $13$

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$4 \frac{1}{2} + 3 \frac{1}{6} + x + 2 \frac{1}{3} = 13 \frac{2}{3}$

यदि $x(3 - \frac{2}{x}) = \frac{3}{x}, x \neq 0$ है,तो $x^2 + \frac{1}{x^2}$ का मान ज्ञात कीजिए।

$\frac{(0.5)^{3}-(0.1)^{3}}{(0.5)^{2}+0.5 \times 0.1+(0.1)^{2}}$ का मान क्या है?

यदि $x = 3 - 2\sqrt{2}$ है,तो $\sqrt{x} + \frac{1}{\sqrt{x}}$ का मान क्या होगा?

$\frac{3.6 \times 0.48 \times 2.50}{0.12 \times 0.09 \times 0.5}$ का मान ज्ञात कीजिए।

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