Chris828211 Chris828211

01-03-2018
Mathematics

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tynollette tynollette

01-03-2018

√4=2, and √45=√(9*5)=√9 *√5=3√5
so you have 2/(3√5)
Multiply both top and bottom by √5 to eliminate the √ in the denominator:
(2√5)/15 is the final answer.

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01-03-2018

I don’t get it because you can’t divide 45\2 or 4

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