Help Me, please
Radicals: Rationalize the denominator
√5/8y3
I assume this is :
√ [5/8y^3] =
√5 / √ [ 8y^3 ]
Multiply top/bottom by √ [ 8y^3 ]
√5 * √ [ 8y^3 ] √ [ 40y^3 ] √40 * √y^3
________________ = ___________ = _________ =
√ [ 8y^3 ] * √ [ 8y^3 ] 8y^3 8y^3
√4 * √10 * y √y 2y √ [ 10 y ] y √ [ 10 y ]
____________ = ___________ = __________ =
8y^3 8y^3 4y^3
√ [ 10 y ]
_______
4y^2