For the curve

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

For the curve x2+2bxy+ay2=0x^{2}+2bxy+ay^{2}=0, find the values of aa and bb so that the tangent drawn at the point (1,−1)(1,-1) is parallel to the line x−y=0x-y=0.

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