Anku Asked a Question
October 12, 2020 10:05 pmpts 30 pts
does it mean that if fx(0,0) = Infinity, then partial derivative
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  • Deepak singh thankyou
    if f is differentiable then fx and fy exist but converse need not true.. or we can say if fx and fy not exist then f is not differentiable.
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  • Deepak singh Best Answer
    if limit of fx is infinity implies partial derivative not exist.. (for existence , it should be finite ).
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    Anku
    sir, if partial derivative will not exist then that function wont be differentiable..as per me it should not exist am I right..!!!?
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