To solve the int. 1 to 4 e to the sq. x dx you would first do a u substitution, right?
u=e to the x to the 1/2
du=e to the x(1-2x to the -1/2)
Is this correct?
so you want to find
now go ahead
EDIT: and if you won't use LaTex, please write in math shorthand as i showed you in one of your earlier posts. reading through your work is annoying when you use sentences to describe math symbols