Question

Find the value of (-1)^ n + (-1)^2n + (-1)^2n+1 +(-1)^4n+2 , where n is any positive odd integer

Answer 1

Answer:

-1^n =-1

-1^2n=1

-1^2n+1=-1

-1^4n+2=1

Now. (-1)^ n + (-1)^2n + (-1)^2n+1 +(-1)^4n+2=-1+1-1+1=0