જો $x=\sqrt{\frac{\sqrt{5}+1}{\sqrt{5}-1}}$ હોય,તો $5x^{2}-5x-1$ ની કિંમત શોધો.

  • A
    $0$
  • B
    $3$
  • C
    $4$
  • D
    $5$

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Similar Questions

$\frac{69842 \times 69842 - 30158 \times 30158}{69842 - 30158} = ?$

જો $2994 \div 14.5 = 172$ હોય,તો $29.94 \div 1.45 = ?$

$\frac{1}{2} + \frac{1}{2 \cdot 3} + \frac{1}{2 \cdot 3 \cdot 4} + \frac{1}{2 \cdot 3 \cdot 4 \cdot 5}$ ની કિંમત દશાંશના ત્રણ સ્થાન સુધી કેટલી થાય?

$\frac{9^{2} \times 18^{4}}{3^{16}}$ ની કિંમત શોધો.

જો $x+y+z=1, xy+yz+zx=-1, xyz=-1$ હોય,તો $x^{3}+y^{3}+z^{3}$ ની કિંમત શોધો.

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