Simplify :`i^(9)+i^(19)` ?

Express each of the complex number given in the form of a+ib i^(9) + i^(19)

Express in the form of complex number i^9+i^(19)

The simplified form of i^(n)+i^(n+1)+i^(n+2)+i^(n+3) is

Express in the complex form if z= i^19

If (i^(4)+i^(9)+i^(26))/(2-i^(8)+i^(10)-i^(15))=A+i B then (A, B)=

Simplify these expressions and find their values if x=3,a=-1,b=-2: 3x-5-x+9

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

For what value of x and y, the complex numbers. 9 y^(2)-4-10 x i and 8 y^(2)+20 i^(7) are conjugate to each other

The value of (i)^(i) is