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

Please help, I don't understand how to do this equation-example-1

2 Answers

5 votes

Answer:

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

User Geekbuntu
by
4.1k points
8 votes

Answer: B) -1/3i

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

User JuicyFruit
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5.0k points