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

જો $a+b+c=0$ હોય,તો $\frac{a^{2}+b^{2}+c^{2}}{a^{2}-b c}$ ની કિંમત શોધો.

$\frac{1}{1 \cdot 2 \cdot 3} + \frac{1}{2 \cdot 3 \cdot 4} + \frac{1}{3 \cdot 4 \cdot 5} + \frac{1}{4 \cdot 5 \cdot 6}$ ની કિંમત શોધો.

$3 \div \left[ (8 - 5) \div \left\{ (4 - 2) \div \left( 2 + \frac{8}{13} \right) \right\} \right] = ?$

જો $x=2$ હોય,તો $x^{3}+27x^{2}+243x+631$ ની કિંમત શોધો.

$(7.5 \times 7.5 + 37.5 + 2.5 \times 2.5)$ ની કિંમત કેટલી થાય?

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