Find the value to three places of decimals .It is given that root2=1.414,root3=1.732,root10=3.162 and root5=2.236.Then find root10-root5/root2?

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Solution

In second step multiply both numerator and denominator by root2
root2×root0=root(2×10)
=root(20)=root(4×5)
and that is=root4×root5=2root5
thats how root20 become 2root5

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Similar questions

\sqrt{2} = 1.414, \sqrt{3} = 1.732, \sqrt{5} = 2.236

\sqrt{10} = 3.162

\frac{3}{\sqrt{10}}

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