√(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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- March 14th 2010, 07:02 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?? - March 14th 2010, 07:30 PMtonio
- March 14th 2010, 07:36 PMmasters