4 x x *E
x^4*E^x
Apply the product rule:
; to find :
Apply the power rule: goes to
The derivative of is itself.
The result is:
Now simplify:
The answer is:
4 x 3 x x *e + 4*x *e
2 / 2 \ x x *\12 + x + 8*x/*e
/ 3 2 \ x x*\24 + x + 12*x + 36*x/*e