Class 11Mathematics4-1.Complex numbers Integral power of iota, Algebraic operations and Equality of complex numbers
Easy$\sqrt{-2} \times \sqrt{-3} = $
- A$\sqrt{6}$
- B$-\sqrt{6}$
- C$i\sqrt{6}$
- DNone of these
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In the Argand plane,the quadrant in which $\frac{1+2i}{1-i}$ lies is:
If $(x + iy)(p + iq) = (x^2 + y^2)i$,then
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View SolutionIf $x = \frac{5}{1-2i}$,where $i = \sqrt{-1}$,then the value of $x^3 + x^2 - x + 22$ is
$i^2 + i^4 + i^6 + \dots$ up to $(2n + 1)$ terms =
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View SolutionIf $\left|\begin{array}{cc}1-i & i \\ 1+2 i & -i\end{array}\right|=x+i y$, then $x$ is equal to
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