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A : (1+i)^(6)+(1-i)^(6)=0 R : If n is ...

A : `(1+i)^(6)+(1-i)^(6)=0`
R : If n is a positive integer then `(1+i)^(n)+(1-i)^(n)=2^((n//2)+1).cos""(npi)/(4)`

A

Both A and R are true and R is the correct explanation of A

B

Both A and B are true but R is not correct explanation of A

C

A is true but R is false

D

A is false but R is true

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