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Evaluate
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Differentiate w.r.t. x
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\int xe^{t}\mathrm{d}t
Evaluate the indefinite integral first.
x\int e^{t}\mathrm{d}t
Factor out the constant using \int af\left(t\right)\mathrm{d}t=a\int f\left(t\right)\mathrm{d}t.
xe^{t}
Use \int e^{t}\mathrm{d}t=e^{t} from the table of common integrals to obtain the result.
xe^{x^{2}}-xe^{1}
The definite integral is the antiderivative of the expression evaluated at the upper limit of integration minus the antiderivative evaluated at the lower limit of integration.
x\left(e^{x^{2}}-e\right)
Simplify.