Question: In Problems 1-4, assume that x and y are differentiable functions of t. In each case, find dx/dt given that x = 5, y =

In Problems 1-4, assume that x and y are differentiable functions of t. In each case, find dx/dt given that x = 5, y = 12, and dy/dt = 2.
1. x2 + y2 = 169
2. y2x2 = 119
3. y22xy + 24
4. x2(y - 6) = 12y + 6

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