Shwet goyal 1 Asked a Question
December 4, 2021 1:23 pmpts 30 pts
Consider the map f: D defined by f(x, y) = (7x + x*, 3x + 4y + y) Then, fis discontinuous at (0, 0) (A) f is continuous at (0, 0) and all directional derivatives exist at (0, 0) (B) fis differentiable at (0, 0) but the derivative Af(0, 0) is not invertible (C) (D) fis differentiable at (0, 0) and the derivative Af(0, 0) is invertible
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  • Kanika goswami 1 thankyou
    option B and D are true. check attachment.
    • cropped2220990866806774558.jpg
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    Shwet goyal 1
    Please elaborate.
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