Chris828211
Chris828211
01-03-2018
Mathematics
contestada
Helllllppppppppppppppp thank you
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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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mani57
mani57
01-03-2018
I don’t get it because you can’t divide 45\2 or 4
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