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The equation of the parabola whose focus is (0, 0) and tangent at the vertex is x–y+1 = 0 is

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The equation of the parabola whose focus is (0, 0) and tangent at the vertex is x–y+1 = 0 is

a. x2 +y2 +2xy–4x+4y–4 = 0

b. x2 +y2 +4xy+4x+4y+4 = 0

c. x2 +y2 –4xy+4x+4y–4 = 0

d. x2 +y2 –4xy–4x–4y–4 = 0

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1 Answer

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by (54.4k points) 1 flag

Correct option is  a. x2 +y2 +2xy–4x+4y–4 = 0

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