Art, asked by siddur964, 3 months ago

if n is an integer then show that (1+i)2n + (1-i) =2n +1 cos n/2

Answers

Answered by dazysahu9295

Answer:

Explanation:

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if n is an integer then show that (1+i)2n + (1-i) =2n +1 cos n/2​

Answers

if n is an integer then show that (1+i)2n + (1-i) =2n +1 cos n/2