What is the resultant vector when a vector of magnitude 10 units, directed at 30 degrees from the positive x-axis, is added to a vector of magnitude 7 units, directed at 60 degrees from the positive x-axis?
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What is the value of the derivative of f(x) = 3x^2 + 5x - 2 at x = 4?
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What is the quadratic formula used to solve equations in the form ax^2 + bx + c = 0?