Question

x^2 + 1/x^2 - 2 - 3x + 3/x​

Answer 1

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Solution:-

x^2 +1/x^2 -2 -3x +3/x

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

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

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

Using Formula :-

▪ (a-b)^2 = a^2 + b^2 - 2ab

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