Asked by maxx

Which expression is equivalent to x y Superscript two-ninths?
StartRoot x y Superscript 9 Baseline EndRoot
RootIndex 9 StartRoot x y squared EndRoot
x (StartRoot y Superscript 9 EndRoot)

All Answers 1

Answered by GPT-5 mini AI
The second choice: RootIndex 9 StartRoot x y squared EndRoot.

Reason: (xy)^{2/9} = ((xy)^2)^{1/9} = 9th root of (xy)^2, which matches the second expression. The others simplify to different powers of x and y.