# Help with complex numbers

Oct 30th, 2015
Anonymous
Category:
Mathematics
Price: \$10 USD

Question description

Simplify the expression.

a. 4ix2

b. 4i2x2

c. -4x2

d. -4ix2

Simplify the expression.

(5 - 2i) + (3 + 4i)

a. 10i

b. 8 + 2i

c. 8 + 6i

d. 2 + 2i

Simplify the expression.

(3 - 4i) - (1 - 4i)

a. 2 -8i

b. 2

c. 2 + 8i

d. 4

Simplify the expression

(1 - 4​i​)(2 + ​i​)

a. 4 - 8​i

b. -2 - 7​i

c. 2 - 11​i

d. 6 - 7​i

Simplify the expression.
(-3 - ​i​)(2 - 2​i​)

a. -8 + 4​i

b. -4 + 4​i

c. -6 + 6​i

d. -6 + 2​

Simplify the expression.

Simplify the expression.

a.

b.

c.

d.

Simplify the expression.

a.

b.

c.

d.

Simplify the expression.

i15

a. 1

b. -1

c. i

d. -i

Which of the following is equal to 1?

a. i2

b. i16

c. i21

d. i26

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