Class 11Mathematics1 Complex Numbers and Quadratic Equations: Complex NumbersIntegral power of iota, Algebraic operations and Equality of complex numbers
EasyIf ${z_1} = 1 - i$ and ${z_2} = - 2 + 4i$,then $\text{Im} \left( \frac{z_1 z_2}{z_1} \right) = $
- A$1$
- B$2$
- C$3$
- D$4$
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View SolutionIf $\frac{3+2i}{1+i} = \frac{1}{2}(x+iy)$,then $x-y =$
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