(2x+3/x -1)2 simplify using suitable identity – InterviewSolution

1.

(2x+3/x -1)2 simplify using suitable identity

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Answer:

x^2 + 6X + 9 = x^2 +2.3 x + 3^2 is of the form = (x + 3)^2 (a + b)^2 = a^2 + 2AB + b^2 = (x + 3) (x

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