Math question: What is the 3rd order derivative of f(x) = 2x^3 + 5x^2 - 7x + 4?
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What is the Pythagorean theorem which states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides?
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What is the equation of an ellipse with major axis horizontal, center at (2, -3), minor axis length 6, and major axis length 10?