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beks73 [17]
3 years ago
9

Helllllppppppppppppppp thank you

Mathematics
2 answers:
Alisiya [41]3 years ago
5 0
√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. 
scoray [572]3 years ago
4 0
I don’t get it because you can’t divide 45\2 or 4
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