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Vijay Singh chauhan Asked a Question
May 3, 2021 12:46 pmpts 30 pts
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  • Sonu saini thankyou
    you only show here existence of partial derivative which never imply f is differentiable ....
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  • Alka gupta thankyou
    ans D....
    • cropped7525554033226512383.jpg
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  • Deepak singh Best Answer
    Refer attached
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    Deepak singh
    partial derivative exist doesn't implies that f(x,y) is differentiable .
  • Sonu saini
    existence of partial derivative does not imply differentiability
    • cropped2171737195515661542.jpg
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