(X^2-X)E^(1-X)求导

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(X^2-X)E^(1-X)求导(X^2-X)E^(1-X)求导(X^2-X)E^(1-X)求导y=(x²-x)e^(1-x)y''=(2x-1)e^(1-x)+(x²-x)*e^(

(X^2-X)E^(1-X)求导
(X^2-X)E^(1-X)求导

(X^2-X)E^(1-X)求导
y=(x²-x)e^(1-x)
y'=(2x-1)e^(1-x)+(x²-x)*e^(1-x)*(-1)
=(2x-1-x²+x)e^(1-x)
=(-x²+3x-1)e^(1-x)