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OpenStudy (chris215):
Where is the second derivative of y=2xe^(-x) equal to 0? I got 2
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OpenStudy (retireed):
Yes , y'' = 2(xe^(-x) - 2e^(-x) ) at least that's what the computer got. When I plotted it y = 0 at x =2
OpenStudy (chris215):
thank you!!
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