Mathematics, 17.02.2021 03:40, astultz309459

Which points on the curve of x^2-xy-y^2=5 have vertical tangent lines? A. (1,-2)

B. (2,-1) and (-2,1)

C.(0,square5)

D.(4,-2) and (-4,2)

E. There are no verticaltangents in this curve

Answers: 1

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Which points on the curve of x^2-xy-y^2=5 have vertical tangent lines? A. (1,-2)

B. (2,...