Math, asked by veeraj, 1 year ago

plzzzzzzzzzzz solve it

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Answered by prem33

1

x=3+2root2
1/x =1/(3+2root2) rationalise it
we get 3-2root2
so x-1/x. =3+2root2-(3-2root2)
=4root2. Ans.

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