જો $z = 3 + 5i$ હોય,તો $z^3 + \bar{z} + 198 = $

  • A
    $-3 - 5i$
  • B
    $-3 + 5i$
  • C
    $3 + 5i$
  • D
    $3 - 5i$

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જો $(\sqrt{8} + i)^{50} = 3^{49}(a + ib)$ હોય,તો $a^2 + b^2$ ની કિંમત શોધો.

જો $(a + ib)(c + id)(e + if)(g + ih) = A + iB$ હોય,તો $({a^2} + {b^2})({c^2} + {d^2})({e^2} + {f^2})({g^2} + {h^2}) =$

$x$ ની કઈ વાસ્તવિક કિંમત સમીકરણ $\left(\frac{3-4ix}{3+4ix}\right) = \alpha - i\beta$ (જ્યાં $\alpha, \beta$ વાસ્તવિક છે) નું સમાધાન કરશે,જો

જો $x+iy = \frac{(3+2i)(4-7i)(12+13i)}{(13-12i)(2-3i)(11+3i)}$ હોય,તો $x^2+y^2=$

જો $\left|\frac{z-25}{z-1}\right|=5$ હોય,તો $|z|=$

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