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# C2 maths help how would I do this watch

1. Post q below
2. (Original post by cosford2)
Post q below
3. 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
4. (Original post by cosford2)
Post q below
5. (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
6. (Original post by RDKGames)
Can u do the question I posted
7. (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?
8. (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
9. (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 and then draw a rectangle between the two values such that it's area is

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