Question

Please help, I don't understand how to do this equation

Answer 1

Explanation:

81x^4=1

x^4=1/81

(x^4)^(1/4)=(1/81)^(1/4)

x=+\-1/3

so -1/3 is a solution

Answer 2

Answer: B) -1/3i

Step-by-step explanation: 81(-1/3i)^4