1.

If x-3=1/x find the value of x*x +1/x*x

Answer» X - 3 = 1/x

=> x - 1/x = 3

On squaring both sides, we get

( x - 1/x)^2 = ( 3)^2

=> x^2 + 1/x^2 - 2(x)(1/x) = 9

=> x^2 + 1/x^2 - 2 = 9

=> x^2 + 1/x^2 = 11


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