If a = - 4 and b = 5x + 2i , then find the value of a ^ 3 b in fully simplified form.

Question

asked Mar 28, 2022 57.4k views

1 Answer

Simonhamp · Answer 1 · 2022-04-04T01:00:31+0000

Answer:

-320x -128i

Explanation:

Put the values where the variables are and do the arithmetic.

a³b = (-4)³(5x +2i) = -64(5x +2i) = -320x -128i