The curve given by contains the point

MATHEMATICS · Subjective · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

The curve given by x2+xy+y2=7x^{2}+x y + y^{2}=7 contains the point (2,1)(2,1). Determine the equation of the normal line to the curve at this point.

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