જો $\left|\begin{array}{cc}1-i & i \\ 1+2 i & -i\end{array}\right|=x+i y$ હોય, તો $x$ ની કિંમત શોધો.

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

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Similar Questions

$\theta$ ની કઈ કિંમત માટે $\frac{2+3i \sin \theta}{1-2i \sin \theta}$ શુદ્ધ કાલ્પનિક સંખ્યા બને, જ્યાં $i=\sqrt{-1}$?

જો $|a| = a$ અને $|b| = b$ હોય,તો $\left( \frac{a}{a^2} - \frac{b}{b^2} \right)^2 = $

જો $i = \sqrt{-1}$ હોય, તો $[i^{18} + (\frac{1}{i})^{25}]^3 = $

જો ${\left( {\frac{{1 + i}}{{1 - i}}} \right)^x} = 1$ હોય,તો:

$\frac{(1 + i)^2}{2 - i}$ નો કાલ્પનિક ભાગ (imaginary part) શોધો.

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