Question

Simplify the given expression.
√ -6 * √ -18

A. 6√ 3
B. -6√ 3
C. 6i√ 3
D. -6i√ 3

Answer 1

a

Answer 2

is not a is b

Answer 3

Hint:\[\rm = i\sqrt 6 \times i\sqrt{18}\]Continue from this point, and never go with the sqrt a * sqrt b = sqrt ab approach.

Answer 4

b