Math question: What is the limit of (3x^2 - 2x + 1) / (x - 1), as x approaches 1?
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Math question: In a triangle ABC, side AB measures 10 cm, side BC measures 15 cm, and angle C measures 60 degrees. Find the length of side AC using the Sine Law.
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What is the derivative of ∫(x^2 + 2x)dx from x = 1 to x = 5?