Find the value of (i+1) (i-1) (i+2) (i-2).

1.Find the values of - (i)

If Sigma_(i=1)^(2n) cos^(-1) x_(i) = 0 ,then find the value of Sigma_(i=1)^(2n) x_(i)

If Sigma_( i = 1)^( 2n) sin^(-1) x_(i) = n pi , then find the value of Sigma_( i = 1)^( 2n) x_(i) .

Find the value of (1+ i)^(6) + (1-i)^(6)

If sum_(i=1)^(7) i^(2)x_(i) = 1 and sum_(i=1)^(7)(i+1)^(2) x_(i) = 12 and sum_(i=1)^(7)(i+2)^(2)x_(i) = 123 then find the value of sum_(i=1)^(7)(i+3)^(2)x_(i)"____"

Find the value of (i) (i^(592)+i^(590)+i^(588)+i^(586)+i^(584))/(i^(582)+i^(580)+i^(578)+i^(576)+i^(574)) (i) -1 (ii) (1+i)^6+(1-i)^6

Find the value of |(1+i)((2+i))/((3+i))|

Find the value of 1+i^(2)+i^(4)+i^(6)+...+i^(2n), where i=sqrt(-1) and n in N.

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

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