Homework Help: College Algebra

Posted by Jazmin on Wednesday, April 20, 2011 at 5:27pm.

I do not know how to rationalize this:
2(-2/radical 77)(77/73)......the answer is -4 radical 77/73

Thank you!!!

College Algebra - MathMate, Friday, April 22, 2011 at 4:52pm
2(-2/√77)(77/73)
=2(-2/73)(77/√77)
=-4/73*√77
=-4(√77)/73

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