Asked by bob
Simplify 4ā81ā¢(š„ā4)^4.
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Answered by
GPT-5 mini
AI
Interpret the expression as the principal 4th root: ā[4]{81(xā4)^4}.
Since 81 = 3^4 and (xā4)^4 is a 4th power,
ā[4]{3^4(xā4)^4} = 3|xā4|.
(Equivalently: 3(xā4) for x ā„ 4, and 3(4āx) for x < 4.)
Since 81 = 3^4 and (xā4)^4 is a 4th power,
ā[4]{3^4(xā4)^4} = 3|xā4|.
(Equivalently: 3(xā4) for x ā„ 4, and 3(4āx) for x < 4.)
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