Assume that x and y are both differentiable functions of t and find the required values of dy/dt and dx/dt x² + y2 = 100 (a) Find dy/dt, given x = 6, y = 8, and dx/dt = 5. dy/dt = (b) Find dx/dt, given x = 8, y = 6, and dy/dt = -5. dx/dt =

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