\sqrt{5}=2.236 \sqrt{125}-\frac{1}{5} \sqrt{500}=? – InterviewSolution

1.	\sqrt{5}=2.236 \sqrt{125}-\frac{1}{5} \sqrt{500}=?
Answer» root(5)=2.236so root(125)=5root(5)root(500)=10root(5)so 5root(5)-10root(5)/5=5root(5)-2root(5)=3root(5)=3*2.236=6.708

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