A particle moves so that its coordinates satisfy

MATHEMATICS · Subjective · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation

Problem

A particle moves so that its coordinates satisfy x2+y2=(x2−y2)2x^{2}+y^{2}=\bigl(x^{2}-y^{2}\bigr)^{2}. At the moment the particle is at (3,1)\bigl(\sqrt{3},1\bigr), the yy–coordinate is increasing at 2 units/s2\text{ units/s}. Compute dxdt\dfrac{dx}{dt} at that instant (include units).

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