Question

Derviative of.....

Answer 1

why is it -x/2 and not -3x/2

Answer 2

\[f=xe^{\frac{-x}{2}}\]
\[f'=(x)'(e^{\frac{-x}{2}})+x(e^{-\frac{x}{2}})'\]

Answer 3

\[f'=1 \cdot e^{-\frac{x}{2}}+x (\frac{-x}{2})'e^{-\frac{x}{2}}\]

Answer 4

its not power rule, its e^u, of which derivative is u'*e^u

Answer 5

thank you