4 sqrt 6
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sqrt (6*5)
= 4/sqrt 5
* sqrt 5/sqrt 5
= (4/5) sqrt 5
I am not sure how to do these.
1. Simplify 4√6/√30 by rationalizing the denominator. Show your work.
2. Simplify (2√5 + 3√7)^2 Show your work. Justify each step.
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3 answers