What is the result when a vector of magnitude 5, directed 30 degrees clockwise from the positive x-axis, is added to a vector of magnitude 8, directed 45 degrees counterclockwise from the positive x-axis?
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What is the formula for finding the sum of the interior angles of a polygon with n sides?
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Math question: What is the derivative of the function f(x) = 2x^5 + 3x^3 - 4x^2 + 6x - 1?