Class 11Mathematics4-1.Complex numbers Integral power of iota, Algebraic operations and Equality of complex numbers
MediumIf $u+iv = \frac{3i}{x+iy+2}$,then $y=$
- A$\frac{9u}{u^2+v^2}$
- B$\frac{3u}{u^2+v^2}$
- C$\frac{6u}{u^2+v^2}$
- D$\frac{12u}{u^2+v^2}$
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