Shwet Goyal posted an Question
December 04, 2021 • 13:23 pm 30 points
  • IIT JAM
  • Mathematics (MA)

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 derivative

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 best-answer

    option B and D are true. check attachment.

    cropped2220990866806774558.jpg
    eduncle-logo-app

    Please elaborate.

    eduncle-logo-app

    I have already elaborated....and it is very simple question that is based on concepts....

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