જો $Z = x + iy$ એ એક સંકર સંખ્યા હોય અને $\sqrt{x^2 - 2x + 8} + (x + 4)i = y(2 + i)$ હોય,તો $Z$ ની કિંમત શોધો.

  • A
    $\frac{-28}{9} - \frac{16}{9}i$
  • B
    $-2 + 2i$
  • C
    $\frac{2}{3} - \frac{2}{3}i$
  • D
    $\frac{-2}{5} - \frac{2i}{5}$

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જો $(x+iy) = \left(\frac{1+i}{1-i}\right)^3 - \left(\frac{1-i}{1+i}\right)^3$ હોય,તો નીચેનામાંથી કયું વિધાન સત્ય છે?

કિંમત શોધો: $\left[i^{18}+\left(\frac{1}{i}\right)^{25}\right]^{3}$.

જો ${z_1} = 1 - i$ અને ${z_2} = - 2 + 4i$ હોય,તો $\text{Im} \left( \frac{z_1 z_2}{z_1} \right) = $

જો $x + \sqrt{x^2 + 1} = a$ હોય,તો $x =$

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જો ${\left( {\frac{{1 - i}}{{1 + i}}} \right)^{100}} = a + ib$ હોય,તો

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