What is d/dx of x^2 e^x?
Ae^x (x^2 - 2x)
Bx^2 e^x + 2x
Ce^x (x^2 + 2x)
D2x e^x + x^2
Answer & Solution
Correct answer: C. e^x (x^2 + 2x)
Product rule gives 2x e^x + x^2 e^x, which factors as e^x (x^2 + 2x).
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