What is the derivative of the function f(x) = 2x^3 - 6x^2 + 5x - 2?
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Question: What is the volume V of a right circular cylinder with radius r and height h, and the surface area A of the cylinder, given by the formulas V = πr²h and A = 2πr² + 2πrh, respectively?
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Question: "What is the area of a square with side length 's'?