Question: What fundamental theorem of calculus states that if a function f(x) is continuous on [a, b] and F(x) is an antiderivative of f(x), then the definite integral of f(x) from a to b is equal to F(b) - F(a)?
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What is the projection of vector a = (3, -4) onto the unit vector u = (2/β5, 1/β5)?
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What are the Cartesian components of a unit vector in the direction of vector A = (3, 4)?