## Study23 Group Title $$\ \large \frac{dy}{dx} e^{-x}+xe^{-x}$$ ? one year ago one year ago

1. waterineyes

Is this derivative with first term only??

2. henpen

That's not an equation, it's an expression and so in this state is useless

3. waterineyes

It is totally useful: $-e^{-x} +x \cdot e^{-x} \implies e^{-x}(x-1)$

4. henpen

Only if you've got the problem.