√(81/40)

√81/√40=9/√40

In order to rationalize the denominator, I begin by factoring the denominator 40.

40 = 2 x 2 x 2 x 5

I am not getting anywhere with this line of logic. What am I doing wrong??

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- Mar 14th 2010, 08:02 PMmcruz65Rationalize the denominator and simplify - help
√(81/40)

√81/√40=9/√40

In order to rationalize the denominator, I begin by factoring the denominator 40.

40 = 2 x 2 x 2 x 5

I am not getting anywhere with this line of logic. What am I doing wrong?? - Mar 14th 2010, 08:30 PMtonio
- Mar 14th 2010, 08:36 PMmasters