A Function defined by f(x)=(x^(2)-ax+1)/(x^(2)+ax+1),0ltalt2 Which of – InterviewSolution

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1.	A Function defined by f(x)=(x^(2)-ax+1)/(x^(2)+ax+1),0ltalt2 Which of the following is true ?
Answer» F(X) is DECREASING on (-1,1) and has a local minimum at x=1 f(x) is increasing on (-1,1) and has a local maximum at x=1 f(x) is increasing on (-1,1) but has NEITHER a local maximum nor a localminimum at x=1 f(x) is decreasing on (-1,1) but has neither a local maximum nor a local minimum at x=1 Answer :A

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