Find the local extrema for the following functions using second derivative test: f(x)=x2e-2x

Find the local extrema for the following
functions using second derivative test: $f (x) = x^{2} e^{- 2 x}$

Matching exercise

Match the items on the right to the items on the left.

Step - 1

Step - 2

Step - 3

Step - 4

Step - 5