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Helga [31]
3 years ago
8

Solve the equation: X to the 4th power - 81=0

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0
x^4-81=0\\
x^4=81\\
x^4=3^4 \vee x^4=(-3)^4\\x=3 \vee x=-3
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