Simplify the following: ` i^4+i^8+i^12+i^16 `

Simplify the following: i^(-35)

Simplify the following: i^(-39)

Simplify the following : i^(6)+i^(8)

Simplify the following: (2i)^(3)

Simplify the following : (i) i^(97) (ii) i^(8) (iii) (1)/(i^(3)) (iv) (-i)^(14) (v) i^(-22) (vi) i^(-63)

Simplify the following : (i) [i^(19) +(1)/(i^(25))]^(2) (ii) [i^(5)- (1)/(i^(3))]^(4)

Simplify the following : (i) 1+ i^(5)+i^(10)+i^(15) (ii) (1+i)^(4)+(1+(1)/(i))^(4) (iii) i^(n)+i^(n+1)+i^(n+2)+i^(n+3)

Simplify the following: (8i)(-(1)/(8)i)

Simplify the following: (-5i)((1)/(8)i)

simplify the following 2i^(2)+6i^(3)+3i^(16)-6i^(19)+4i^(25)