If x+ 1 x =2 x_ 1 then x^ n + 1 x^ n is equal to

Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations

1. \(2^{n} \cos x\)
2. \(z^{n} \cos n \pi\)
3. \(\text { Zi sin nx }\)
4. \(2 \text { COS TI }\)

Answer

(A) 2^ n x

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