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Vijay posted an Question
March 06, 2021 • 17:16 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Prove that the equation x-2y +3z + 5yz - 6zx-4xy +8x- 19y - 2z-20 0 represents a cone with its vertex at (1,-2, 3).

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    Swapnajit das

    here you can easily do it by 4×4 order determinant , if you show the value of determinant is 0, then it represents the cone

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