D / dx, y = (1 + x + x ^ 2) e ^ x

D / dx, y = (1 + x + x ^ 2) e ^ x

D / dx = (1 + x + x & # 178;) '* e ^ x + (1 + x + x + x & # 178;) * (e ^ x)'
= (1 + 2x) e ^ x + (1 + x + x & # 178;) e ^ x
= (2 + 3 x + x & # 178;) e ^ x