f(x) = x^2 e^(-.3x)
f '(x) = ?
f '(x) = ?
-
f '(x) = -0.3x^2*e^(-0.3x) + 2x*e^(-0.3x)
-
f(x) = u . m
f '(x) = u'm + m'u
f '(x) = 2x e^(-.3x) + (-0.3)e^(-.3x) x^2
f '(x) = 2e^(-.3x)(x) - (0.3)(x^2) e^(-.3x)
f '(x) = u'm + m'u
f '(x) = 2x e^(-.3x) + (-0.3)e^(-.3x) x^2
f '(x) = 2e^(-.3x)(x) - (0.3)(x^2) e^(-.3x)