Ankur Rao Asked a Question
January 22, 2021 8:52 ampts 30 pts
Consider the function x+y o(x, y) ={ x-y 0 when x# y then otherwise (A) o is discontinuous and both partial derivatives exists at (0, 0) (B) (C) o continuous and both partial derivatives exists at (0, 0) o discontinuous and both partial derivatives and not exists at (0, 0) (D) o continuous and both partial derivatives does not exists at (0, 0)
  • 2 Answer(s)
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  • Satpal singh
    see this
    • cropped6448318889947155736.jpg
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  • Satpal singh thankyou
    see this
    • cropped3601667249955482218.jpg
    Likes(0) Reply(1)
    Ankur Rao
    now I got
  • Satpal singh
    see the attachment
    • cropped3729095530418417798.jpg
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  • Satpal singh
    see the attachment
    • cropped4447504283020238084.jpg
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  • Sonu saini
    this attachment will help you
    Likes(0) Reply(0)
  • Sonu saini Best Answer
    see the attachment
    • cropped7639326519627229330.jpg
    Likes(0) Reply(0)
  • Sonu saini
    answer A is correct since difference of power is 2
    Likes(0) Reply(10)
    Ankur Rao
    as I put x=r cos(t) ,y=r sin(t). I got continuous
  • Satpal singh
    option a is correct
    Likes(0) Reply(0)
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