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b. Let f(x, y, =) = 2x2+y-+12x-2y-=+20. i. Classify and sketch the quadric level surface obtained when f(x, y, z) =0. Where they exist, label

b. Let f(x, y, =) = 2x2+y-+12x-2y-=+20. i. Classify and sketch the quadric level surface obtained when f(x, y, z) =0. Where they exist, label vertices on the sketch

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