Question

If I = Fi and n E even natural number then the value of
[1-3-5---2n-1) is equal to​

Answer 1

Step-by-step explanation:

The value of

is (1) i if n is even, -i if n is odd (2) 1 if n is even, -1 if n is odd (3) 1 if n is odd, -1 if n is even (4) none of these