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

  • A
    $-2$
  • B
    $-1$
  • C
    $0$
  • D
    $1$

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$\left[\frac{1}{2}+\frac{1}{2}\left\{\frac{3}{4}-\frac{1}{2}\left(\frac{7}{8}-\frac{3}{4}\right)\right\}\right]$ નું સાદું રૂપ આપતા શું મળે?

જો $x>1$ અને $x^{2}+\frac{1}{x^{2}}=83$ હોય,તો $x^{3}-\frac{1}{x^{3}}$ ની કિંમત શોધો.

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$x$ માટે ઉકેલો: $3^{x}-3^{x-1}=486$

જો $M = \left(\frac{3}{7}\right) \div \left(\frac{6}{5}\right) \times \left(\frac{2}{3}\right) + \left(\frac{1}{5}\right) \times \left(\frac{3}{2}\right)$ અને $N = \left(\frac{2}{5}\right) \times \left(\frac{5}{6}\right) \div \left(\frac{1}{3}\right) + \left(\frac{3}{5}\right) \times \left(\frac{2}{3}\right) \div \left(\frac{3}{5}\right)$ હોય,તો $\frac{M}{N}$ ની કિંમત શું થાય?

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$\left(1-\frac{1}{3}\right)\left(1-\frac{1}{4}\right)\left(1-\frac{1}{5}\right) \ldots \left(1-\frac{1}{25}\right)$ ની કિંમત કેટલી થાય?

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