જો $x=\frac{\sqrt{3}+1}{\sqrt{3}-1}$ અને $y=\frac{\sqrt{3}-1}{\sqrt{3}+1}$ હોય,તો $(x^{2}+y^{2})$ ની કિંમત શોધો.

  • A
    $10$
  • B
    $13$
  • C
    $14$
  • D
    $15$

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$1020$ માં કઈ નાનામાં નાની સંખ્યા ઉમેરવાથી તે પૂર્ણ વર્ગ બને?

$(15.01)^{2} \times \sqrt{730} = ?$

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