For what values of are the lines tangents to the parabola ?

MATHEMATICS · Subjective · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

For what values of mm are the lines y=mx−10y = mx - 10 tangents to the parabola y=3x2+7x+2y = 3x^2 + 7x + 2 ?

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