The error was in second step.
3√(y^3)^4 = y^4
(Cube root cancels cube and not power 4)
The answer should be:
xy^4/4
//Hope it helps.
I only see one question.
The answer is the root 4 has the multiplicity of 2.
<span>First option is correct
Both methods are correct, since you are counting all possible arrangements of 5 items taken 5 at a time.</span>
