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Mangesh Asked a Question
May 9, 2020 5:22 pmpts 30 pts
  • 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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  • Mangesh
    thanx
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  • Chandra dhawan thankyou
    see attached file
    • cropped-725053239.jpg
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  • Mangesh
    thanx
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  • Ruby negi thankyou
    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...
    Likes(1) Reply(0)
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