જો $\frac{x}{y} = \frac{4}{5}$ હોય,તો $\left(\frac{4}{7} + \frac{2y - x}{2y + x}\right)$ ની કિંમત શોધો.

  • A
    $\frac{3}{7}$
  • B
    $1$
  • C
    $1\frac{1}{7}$
  • D
    $2$

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જો $x = 3 - 2\sqrt{2}$ હોય,તો $\sqrt{x} + \frac{1}{\sqrt{x}}$ ની કિંમત કેટલી થાય?

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