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    (Original post by cosford2)
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    a - sketch
    b - integrate out right hand side with those limits
    c - integrate rhs wrt r from 2 to N
    d - complete integral on rhs
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    (Original post by cosford2)
    Post q below
    What about it?
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    (Original post by quiopdaf)
    a - sketch
    b - integrate out right hand side with those limits
    c - integrate rhs wrt r from 2 to N
    d - complete integral on rhs
    Can you write it out on paper and post would be much appreciated
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    (Original post by RDKGames)
    What about it?
    Can u do the question I posted
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    (Original post by cosford2)
    Can u do the question I posted
    Indeed I can, but you can have a go at it first. Also what quiopdaf said is not the wanted way to approach this question. Which part are you unsure about?
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    (Original post by RDKGames)
    Indeed I can, but you can have a go at it first. Also what quiopdaf said is not the wanted way to approach this question. Which part are you unsure about?
    Just how to start it off pretty much
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    (Original post by cosford2)
    Just how to start it off pretty much
    I assume you can sketch it??

    Then for part b, use your sketch and mark on an arbitrary x=r and x=r-1 then draw a rectangle between the two values such that it's area is \frac{1}{r^2}
 
 
 
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