I can not figure out how to do this question. Do I seperate it into its sides first or something? Do I treat the nuber in front with the x as a constant? Im confused. Please show me what to do.
integrate (7x^3 cos(2+x^4) - 8x^3 e^(2+x^4))dx
Hello, Twinkie!
I cannot figure out how to do this question.
Do I seperate it into its sides first or something? . What does that mean?
Do I treat the number in front with the x as a constant? . Of course!
I'm confused. . So am I.
Please show me what to do.
We have two integrals: .
Substitute: .
. . . . . . . .
Back-substitute: .
Substitute: .
. . . . . . . .
Back-substitute: .
Answer: .