What is the integral of f(x) from a to b, given that F'(x) = f(x) and F(a) = c?
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What is the resultant displacement when a vector of magnitude 25 and direction 30° north of east is added to a vector of magnitude 40 and direction 60° south of west?
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Math question: Find the roots of the cubic equation x^3 - 5x^2 + 4x + 2 = 0.