જ્યારે $x = \frac{4 + 5i}{2}$ હોય ત્યારે $4x^3 - 4x^2 - 7x + 127$ ની કિંમત શોધો.

  • A
    $1$
  • B
    $2$
  • C
    $3$
  • D
    $4$

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

$\sum_{n=0}^{\infty}\left(\frac{2 i}{3}\right)^n$ નું મૂલ્ય શું છે?

$\begin{aligned} & \text{જો } z=e^{i \theta} \text{ અને } \frac{3 \cos 3 \theta+2 \cos 2 \theta+5 \cos 5 \theta}{3 \sin 3 \theta+2 \sin 2 \theta+5 \sin 5 \theta} \\ & =\frac{i \sum_{r=0}^{10} a_r z^r}{\sum_{r=0}^{10} b_r z^r} \text{ હોય, તો } \frac{\left(\sum_{r=0}^{10} a_r+\sum_{r=0}^{10} b_r\right)}{10}= \end{aligned}$

જો $x=\frac{4}{5}+\frac{3}{5} i$ અને $y=\frac{\sqrt{3}}{\sqrt{8}}-\frac{\sqrt{5}}{\sqrt{8}} i$ હોય,તો $\left(x^2+\frac{1}{x^2}\right)\left(y^2-\frac{1}{y^2}\right)=$

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