Question
Verify directly that $F$ is an antiderivative of $f$$$F(x)=x e^{x}+\pi ; f(x)=e^{x}(1+x)$$
Step 1
The derivative of a sum of functions is the sum of the derivatives of the functions. So, we can write: $$F'(x) = \frac{d}{dx}(x e^{x}) + \frac{d}{dx}(\pi)$$ Show more…
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