Chain rule variants state that if u(x) and v(x) are differentiable functions of x, then the derivative of u(v(x)) is given by u'(v(x)) * v'(x). Question: Find the derivative of f(x) = sin(2x^2 + 3x - 1) using the chain rule.
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What is the length of side x in a triangle with angle A measuring 50°, angle B measuring 80°, and side a measuring 10?
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What is the square root of 25 multiplied by the square root of 36, subtracted from the square root of 64 divided by the square root of 49?