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Vijay Singh chauhan Asked a Question
May 4, 2021 6:32 ampts 30 pts
Please send the solution to the problem given in the attachment.
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  • Gattu uday thankyou
    Here I attached my own notes
    • cropped2471594520934973133.jpg
    • cropped8232388891476338398.jpg
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  • Deepak singh
    its saying , if f(x,y) is differentiable at (a,b) then fx and fy exist at (a,b).
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  • Alka gupta
    clearly they want to say..." if a function is differentiable at (a,b) then both first order partial derivatives must exist" this is necessary condition for differentiability but no...
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  • Sonu saini
    see this attachment
    • cropped4979958652867282911.jpg
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    Vijay Singh chauhan
    doubt
    • cropped1391467302666006107.jpg
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