Rationalize the denominatar

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June 2nd 2012, 11:09 AM
zbest1966

Rationalize the denominatar

1. x/y^2/5

2. 1/c^3/7
June 2nd 2012, 11:30 AM
Soroban

Re: Rationalize the denominatar

Hello, zbest1966!

Quote:

$\text{Rationalize the denominator:}$

. . $(1)\;\frac{x}{y^{\frac{2}{5}}}$

$\frac{x}{y^{\frac{2}{5}}}\cdot {\color{red}\frac{y^{\frac{3}{5}}}{y^{\frac{3}{5}} }} \;=\;\frac{xy^{\frac{3}{5}}}{y}$

Quote:

$(2)\;\frac{1}{c^{\frac{3}{7}}}$

$\frac{1}{c^{\frac{3}{7}}} \cdot {\color{red}\frac{c^{\frac{4}{7}}}{c^{\frac{4}{7}} }} \;=\;\frac{c^{\frac{4}{7}}}{c}$
June 2nd 2012, 01:23 PM
zbest1966

Re: Rationalize the denominatar

I did a problem simpler to that is this rite

a/cubic sqrt root b²
A . cubic sqrt root b/b

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