Show that a) Y= x exp-x statisfies the equation xy'=(1-x)y
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Use product rule to get: So: And: 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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