Question

integral of sec4xtan4xdx

Answer 1

(1/4)sec(4x)

Answer 2

let u=4x so du=4 dx or you can say du/4=dx sp we have 1/4 * int(secutanu,u)
=1/4 * secu+c (since the derivative of secu= secutanu)
=1/4 * sec(4x)+c

Answer 3

*sigh* forgot the C

Answer 4

how could you!!!!

Answer 5

most important part lol