Q BgQuestion:

Scholar
Karma Points: 200
Respect (95%):
posted by  SamSan on 10/7/2008 11:09:59 AM  |  status: Closed  

help please

Course Textbook Chapter Problem
Calculus Calculus Part I + II by Man M. Sharma 5 N/A
Question Details:

   31-8Xdx

Bonus Point Alert! Earn +4 additional karma points for helping this annual member.

AAnswers:

Answer Question
Oracle
Karma Points: 16,557
posted by Ctrl on 10/7/2008 11:25:28 AM  |  status: Live
Asker's Rating: Helpful   
SamSan's comment:
"thank u"
Response Details:


use u substitution

let u = 1-8x
    du = -8 dx

now set up the integral
  <--- simplify and back substitute u

<--- answer

---------------------------------------------------------------------------------------------------------
this is what the problem looks like to me, but if its supposed to be , you can use the same strategy and rewrite the integral as

let u = 1-8x
    du = -8 dx



after simplifying and back substituting u, the answer is:

Scholar
Karma Points: 200
posted by SamSan on 10/7/2008 11:34:00 AM  |  status: Live
Asker's Rating: N/A-Posted by Person Asking Question   
Response Details:
 this is the question    
Oracle
Karma Points: 16,557
posted by Ctrl on 10/7/2008 11:38:05 AM  |  status: Live
Asker's Rating: Lifesaver   
SamSan's comment:
"thaks a lot"
Response Details:
Rewrite the integral as:


Use u substitution

let u = 1-8x
    du = -8 dx



after simplifying and back substituting u, the answer is:



Answer Question
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today » How Cramster is different than tutoring »