What is the equation of an ellipse with a major axis of length 10 units, a minor axis of length 6 units, center at (0,0), and major axis parallel to the x-axis?
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Math question: What is the minimum value of the function f(x) = x^2 - 4x + 3 in the interval [2, 6]?
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What is the formula for the surface area of a right circular cylinder?