What is the value of the square root of 16 multiplied by the square root of 25 plus the square root of 36, minus the square root of 49 multiplied by 2?
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What is the integral of the function f(x) = 2x^3 - 4x^2 + 5x - 3?
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Math question: Find the area of a triangle with base 5cm and height 9cm.