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    http://filestore.aqa.org.uk/subjects...13.PDF#page=20
    http://i.imgur.com/xORqRn4.jpg
    http://filestore.aqa.org.uk/subjects...N13.PDF#page=9

    I've been slowly managing to get this over the course of an hour, and I'm completely stuck on that last integration part. I've had a mixture of using my textbook and looking at the mark scheme to see if I can figure out the method I'm supposed to be using, but I just can't get how to only find that shaded area. Can someone walk me through it, please?
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    (Original post by greydragon412)
    http://filestore.aqa.org.uk/subjects...13.PDF#page=20
    http://i.imgur.com/xORqRn4.jpg
    http://filestore.aqa.org.uk/subjects...N13.PDF#page=9

    I've been slowly managing to get this over the course of an hour, and I'm completely stuck on that last integration part. I've had a mixture of using my textbook and looking at the mark scheme to see if I can figure out the method I'm supposed to be using, but I just can't get how to only find that shaded area. Can someone walk me through it, please?
    I am not sure which part you need help with.
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    Never mind. Turns out I didn't expand the brackets at the right part and it kind of breaks down if you don't do it there.
 
 
 
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