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ocr integration help? Watch

1. http://www.mei.org.uk/files/papers/2012_Jan_c3.pdf

q8iii

i showed area was 25.3 but how do i show pqr area next? in the mark scheme it says trapezium but where is this
2. (Original post by liverpool2044)
http://www.mei.org.uk/files/papers/2012_Jan_c3.pdf

q8iii

i showed area was 25.3 but how do i show pqr area next? in the mark scheme it says trapezium but where is this
Drop a vertical at P down to the x-axis. Your trapezium should now be clear.
Your desired area will be the area of the trapezium minus the 25 1/3.
3. (Original post by liverpool2044)
...
As a visual backup to Ghostwalkers post:

The blue area is the integral, the green area is the area you want and the trapezium is the blue area + the green area.

So... how do you find the green area then?
4. ahh thanks guys so trapezium area - integral to get part wanted
5. (Original post by liverpool2044)
ahh thanks guys so trapezium area - integral to get part wanted
Yep, well done.

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