Ankur posted an Question
January 22, 2021 • 08:59 am 30 points
  • IIT JAM
  • Mathematics (MA)

15. let f: r2 r be defined by x+y2, if x and y rational 0 f(x,y)= otherwisse then (a) f is not continuous at (0, 0) (b) fis continuous at (0, 0) but not differe

15. Let f: R2 R be defined by x+y2, if x and y rational 0 f(x,y)= otherwisse Then (A) f is not continuous at (0, 0) (B) fis continuous at (0, 0) but not differentiable at (0, 0) (C) f is differentiable only at (0, 0) (D) fis differentiable everywhere

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