AEMATH

Simplify the expression i^1997 + i^1999, where i is an imaginary.

• 0

• -i

• 1+i

• 1-i

Simplify: i^29 + i^21 + i

• 3i

• 1-i

• 1+i

• 2i

Write in the form a + bi the expression i^3217 – i^427 + i^18

• 1+2i

• -1+i

• 2i-1

• 1+i

The expression 3 + 4i is a complex number. Compute its absolute value.

• 4

• 5

• 6

• 7

Write the polar form of the vector 3+j4

• 6 ∠ 53.1°

• 10 ∠ 53.1°

• 5 ∠ 53.1°

• 8 ∠ 53.1°

Evaluate the value of √-10 x √-7

• i

• -√70

• √70

• √17

(3 – i)^2 – 7(3 – i) + 10

• –(3 + i)

• 3+1

• 3 – i

• –(3 – i)

What is 4i cube times 2i square

• -8i

• 8i

• -8

• -8i^2

What is the simplified expression (4.33+2.5i) square?

• 12.5 + 21.65i

• 20 + 20i

• 15 + 20i

• 21.65 + 12.5i

What is the quotient when 4 + 8i is divided by i^3?

• 8 – 4i

• 8 + 4i

• -8 + 4i

• -8 – 4i