Results are out! Find what you need...fast. Get quick advice or join the chat
Hey! Sign in to get help with your study questionsNew here? Join for free to post

Core Maths 3: Integration to find a volume

Announcements Posted on
For applicants, undergrads and postgrads: Find out what's happening during Student Money Week here 05-02-2016
Are postgrad degrees a waste of time? Have your say and be in with a chance of winning a £30 Amazon voucher 29-01-2016
  1. Offline

    ReputationRep:
    Hi there

    Please could someone check the below, as I am getting a different answer to whats in the book;



    Many thanks
  2. Offline

    ReputationRep:
    You have substituted incorrectly on the final line
  3. Offline

    ReputationRep:
    (Original post by TenOfThem)
    You have substituted incorrectly on the final line
    Sorry to be a jummy but please could you tell me how I have gone wrong.

    Thank you
  4. Offline

    ReputationRep:
    2 squared = 4

    1/2 of 4 = 2

    2/2 = 1


    you got 1/2
  5. Offline

    ReputationRep:
    edit: my bad ignore me im being blind sorry

    shouldnt you be integrating  (\pi x^2) dy instead of  (\pi x) dy ?
  6. Offline

    ReputationRep:
    (Original post by just george)
    shouldnt you be integrating  (\pi x^2) dy instead of  (\pi x) dy ?
    she did
  7. Offline

    ReputationRep:
    (Original post by TenOfThem)
    she did
    I see, sorry ignore me im being blind.. happy easter
  8. Offline

    ReputationRep:
    (Original post by just george)
    I see, sorry ignore me im being blind.. happy easter
    T'is the chocolate
  9. Offline

    ReputationRep:
    (Original post by TenOfThem)
    T'is the chocolate
    its good stuff though.. malteasters.. nomnomnom..

  10. Offline

    ReputationRep:
    (Original post by just george)
    its good stuff though.. malteasters.. nomnomnom..

    I got a malteaster egg with malteaser bunnies in it
  11. Offline

    ReputationRep:
    (Original post by TenOfThem)
    I got a malteaster egg with malteaser bunnies in it
    I got a malteaser egg with malteasers in it.

  12. Offline

    ReputationRep:
    (Original post by Mr M)
    I got a malteaser egg with malteasers in it.

    Was yours not a malteasTer egg ... check the box
  13. Offline

    ReputationRep:
    (Original post by TenOfThem)
    Was yours not a malteasTer egg ... check the box
    Nope.
  14. Offline

    ReputationRep:
    (Original post by Mr M)
    Nope.
  15. Offline

    ReputationRep:
    ok yeah I see what I did wrong, thank you

    Happy Easter to you all xxx
  16. Offline

    ReputationRep:
    (Original post by Mr M)
    ..
    (Original post by TenOfThem)
    ....
    Do you both work at the same school?
  17. Offline

    ReputationRep:
    (Original post by boromir9111)
    Do you both work at the same school?
    No
  18. Offline

    ReputationRep:
    (Original post by boromir9111)
    Do you both work at the same school?
    Haha.

    Cheeky.
  19. Offline

    ReputationRep:
    (Original post by boromir9111)
    Do you both work at the same school?
    No but I've known her for about 10 years online.
  20. Offline

    ReputationRep:
    (Original post by Mr M)
    No but I've known her for about 10 years online.
    lol....ok

Reply

Submit reply

Register

Thanks for posting! You just need to create an account in order to submit the post
  1. this can't be left blank
    that username has been taken, please choose another Forgotten your password?
  2. this can't be left blank
    this email is already registered. Forgotten your password?
  3. this can't be left blank

    6 characters or longer with both numbers and letters is safer

  4. this can't be left empty
    your full birthday is required
  1. By joining you agree to our Ts and Cs, privacy policy and site rules

  2. Slide to join now Processing…

Updated: April 8, 2012
TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

Today on TSR

Dropping out of Oxford

Find out what it's like in Ethereal World's blog

Poll
How much money do you spend a week at uni?
Useful resources

Make your revision easier

Maths

Maths Forum posting guidelines

Not sure where to post? Read here first

Equations

How to use LaTex

Writing equations the easy way

Student revising

Study habits of A* students

Top tips from students who have already aced their exams

Study Planner

Create your own Study Planner

Never miss a deadline again

Polling station sign

Thinking about a maths degree?

Chat with other maths applicants

Can you help? Study help unanswered threads

Groups associated with this forum:

View associated groups
Study resources
Quick reply
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.