17-02-2021
Mathematics

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

Please help I dont understand how to do this equation class=

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natocmark natocmark

17-02-2021

Answer: B) -1/3i

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

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17-02-2021

Answer:

Step-by-step 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 Link

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