a) Y= x exp-x statisfies the equation xy'=(1-x)y
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Use product rule to get:
Are they equal? If so, you're done.
do I have to use ln?
or what is the next step
What do you mean? We just want to show .
We've got an expression for and one for . Show that they're equal by simplifying and you're done.
oh I see thanks, I thinking something else?
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