The value of `(i^5+i^6+i^7+i^8+i^9)//(1+i)` is `1/2(1+i)` (b) `1/2(1-i)` (c) `1` (d) `1/2`

The value of 1+i^2+i^4+i^6+....+i^16 is

The value of |1/(2+i) - 1/(2 -i)| is

The value of |1/(2+i) - 1/(2 -i)| is

(1) The value of (1+i)(1+i^2)(1+i^3)(1+i^4) is

The value of (1+i) (1-i^(2)) (1+i^(4))(1-i^(5)) is

The value of (1+i) (1-i^(2)) (1+i^(4))(1-i^(5)) is

The value of 1+(1+i)+(1+i^2) +(1+i^3) =

The value of (1-i)^(-2)-(1+i)^(-2) is

Find the value of ( i^2 + i^4 + i^6 + i^7 ) / ( 1 + i^2 + i^3 ) is ( a ) 1 - i ( b ) 1 + i ( c ) 2 - i ( d ) 2 + i

5.The value of (i^(4x+1)-i^(4x-1))/(2) is equal to (a) 1 (b) -1 (c) -i (d) 0