Sachin Kumar posted an Question
November 26, 2021 • 03:31 am 30 points
  • IIT JAM
  • Mathematics (MA)

Solutions of this one?

1 Answer(s) Answer Now
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  • Anonymous User best-answer

    fx=2x=0 ,fy=-2y=0 => x=y=0 r=fxx=2 s=fxy=0 t=fyy=-2 rt-s²=-4<0 f is neither maximum nor minimum at (0,0)

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