Question

If a=4x and b=3x-3i, when find the value of the a^3b. This is simplifying imaginary number.

Answer 1

192x^4 - 192 x^3i

Explanation:

a^3 b

Lets find a^3

a=4x

a^3

(4x)^3

64x^3

b = 3x-3i

a^3b

(64x^3) * (3x-3i)

Distribute

64x^3*3x - 64x^3 *3i

192x^4 - 192 x^3i