If x = at², y = 2at, then dy/dx at t = 1 is:
If x = at², y = 2at, then dy/dx at t = 1 is:
- A. 1/a
- B. a
- C. 1
- D. 2/a
Answer: C) 1
Explanation: dx/dt = 2at, dy/dt = 2a. dy/dx = (2a)/(2at) = 1/t. At t=1, dy/dx = 1.
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