maniaku Messages 1 Reaction score 0 Thread starter Jul 25, 2008 #1 ∫ (cos (1/x) / x^2 dx (Please show steps.)
berkeman Admin Messages 69,689 Reaction score 25,453 Jul 25, 2008 #2 You show us *your* steps, and then we can offer tutorial help. We do not do your work for you here on the PF.
You show us *your* steps, and then we can offer tutorial help. We do not do your work for you here on the PF.
roam Messages 1,265 Reaction score 12 Jul 25, 2008 #3 Welcome to the former People's Empire! [tex]\int \frac{cos \frac{1}{x}}{x^2} dx[/tex] Why couldn't you try the method of substitution? Find an appropriate substitution, and then you need to find something that can serve as du or rather, something that can simplify the denominator. I hope you enjoy yourself!
Welcome to the former People's Empire! [tex]\int \frac{cos \frac{1}{x}}{x^2} dx[/tex] Why couldn't you try the method of substitution? Find an appropriate substitution, and then you need to find something that can serve as du or rather, something that can simplify the denominator. I hope you enjoy yourself!