Rewrite F(x) as F(u) using a substitution of variables. F(x)

Last updated: 7/11/2022

Rewrite F(x) as F(u) using a substitution of variables. F(x) = ∫(3x² + 2) cos (x³ + 2x) dx F(u) = ∫ cos u du F(u) = ∫ sin u du F(u) =-∫ cos u du F(u) = ∫u cos u du