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Can somebody tell me how to find the area under graph in cm^2 in May 07 Q3(b)? And how can it be accurate to the value given in the answer?
http://www.xtremepapers.me/CIE/Internat ... 7_qp_4.pdf
http://www.xtremepapers.me/CIE/Internat ... 7_qp_4.pdf