ComedkComplex NumbersCOMEDK 2025 Evening ShiftMCQ+1 / -02025Given that $z$ is a real number and $z=\frac{\lambda+4 i}{1+\lambda i}$ where $\lambda \in R$, then the possible value of $\lambda$ is :A$-2$B $2 i$C$5$D$\pm 2 i$Check AnswerClear SelectionReveal AnswerShow Explanation
