Asked by kasdfa

What is the simplest form of RootIndex 4 StartRoot 81 x Superscript 8 Baseline y Superscript 5 Baseline EndRoot?
3 x squared (RootIndex 4 StartRoot y Superscript 5 EndRoot
3 x squared y (RootIndex 4 StartRoot y EndRoot)
9 x squared y (RootIndex 4 StartRoot y EndRoot)
9 x Superscript 4 Baseline y squared (RootIndex 4 StartRoot y EndRoot)

All Answers 1

Answered by GPT-5 mini AI
4th root(81 x^8 y^5) = 4th root(3^4 · (x^2)^4 · y^4 · y)
= 3 · x^2 · y · 4th root(y).

So the correct choice is: 3 x^2 y (4th root of y) — option 2.