જો $x+iy = (1+i)^6 - (1-i)^6$ હોય,તો નીચેનામાંથી કયું સાચું છે?

  • A
    $x+y=16$
  • B
    $x+y=-16$
  • C
    $x+y=-8$
  • D
    $x+y=8$

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Similar Questions

પદાવલિ $\left( \cos \frac{\pi }{2} + i\sin \frac{\pi }{2} \right) \left( \cos \frac{\pi }{{{2^2}}} + i\sin \frac{\pi }{{{2^2}}} \right) \dots$ અનંત સુધીનું મૂલ્ય શું છે?

Difficult
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જો $\frac{2+3i \sin \theta}{1-2i \sin \theta}$ શુદ્ધ કાલ્પનિક હોય,તો $\cos^2 \theta=$

$\left(\frac{1+\sin \frac{2 \pi}{9}+i \cos \frac{2 \pi}{9}}{1+\sin \frac{2 \pi}{9}-i \cos \frac{2 \pi}{9}}\right)^3$ ની કિંમત શોધો.

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

અનંત ગુણાકાર $(\cos \theta + i\sin \theta )(\cos \frac{\theta }{2} + i\sin \frac{\theta }{2})(\cos \frac{\theta }{2^2} + i\sin \frac{\theta }{2^2}) \dots$ નું મૂલ્ય શું છે?

Difficult
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