astromanticspin Group Title rationalize the denominator: ∛7 / ∛100s 3 years ago 3 years ago

1. mathgirl Group Title

You just need to multiply the numerator and denom by the radical in the denom

2. abtrehearn Group Title

$\sqrt[3]{70x^{2}}/(10x)$

3. abtrehearn Group Title

That comes from multiplying numerator and denominator by $\sqrt[3]{10x^{2}}$and then sinplifying.

4. abtrehearn Group Title

The x's should be s's. My typo.