Mht CetComplex NumbersMHT CET 2026 16th April Evening ShiftMCQ+2 / -02026If $n$ is a positive integer, then $(1 + i\sqrt{3})^{2n} + (1 - i\sqrt{3})^{2n}$ is equal to .........A$2^{2n+1}\cos\left(\dfrac{2n\pi}{3}\right)$B$2^{2n}\cos\left(\dfrac{n\pi}{3}\right)$C$2^{2n+1}\cos\left(\dfrac{n\pi}{3}\right)$D$2^n\cos\left(\dfrac{2n\pi}{3}\right)$Check AnswerClear SelectionReveal AnswerShow Explanation
