1. int x^3 e^{x^2} dx = \ (A) frac{1}{2} e^{x^2} (x^2 - 1) + c \ (B) frac{1}{2} e^{x^2} (x^2 + 1) + c \ (C) 3x^2 e^{x^2} + c \ (D) x^2 e^{x^2} (2x^2 + 3) + c \ (E) frac{x^4}{4} e^{x^2} + c
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Therefore, we can assume that the limits are from negative infinity to positive infinity, which means that the integral is an improper integral. Show more…
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