1.
Simplify the expression i1997 + i1999, where i is an imaginary.
2.
Simplify: i29 + i21 + i
3.
Write in the form a + bi the expression i3217
4.
The expression 3 + 4i is a complex number. Compute its absolute value.
5.
Write the polar form of the vector 3 + j4.