Mangesh posted an Question
May 09, 2020 • 22:52 pm 30 points
  • CSIR NET
  • Physical Sciences

Mathematical physics

explain me that why k+2>0 and k-2<0 for root has to be real

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    Ruby negi best-answer

    according to me,,function f has max value at x=-1 and minimum value at x=1 so they take value of F(-1)=k+2>0 and f(1)=k-2<0.. hope you are getting me...

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