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asked Feb 11, 2019 155k views

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√(72)

Mathematics
middle-school

by Nikhil

8.4k points

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$√(72)=√(36\cdot2)=√(36)\cdot\sqrt2=6\sqrt2-irrational\ number\\\\Used\ √(ab)=√(a)\cdot√(b)$

Biomiha answered Feb 17, 2019

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