Question

If √2 = 1.4142 then
√√2−1/√2+1
= ?

Answer 1

=root{ [ root2  + 1] /[ root2 - 1 ]

=root{ [ root2  + 1] [root2 + 1] /[ root2 - 1 ][ root2 +1]}

=root{[root2 + 1]^2 / (root2)^2  - 1^2}

=root { [root 2 +1]^2 / 2-1}

=root{[root2 +1]^2}

=root2 +1

=1.414+1

=2.414

hope it's helpful...

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