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secondary 4 | A Maths
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Hi I need help for (ii) please
Date Posted: 5 years ago
Views: 195
I suppose u know how to find the area of OPQ? To find area of ROQ, integrate x= [(y+2)^2]/2 dy. After integrating, sub the y values of O and R to get the area. Add e 2 areas up to get answer.
Alternatively, you can integrate it from the dx point of view, but one part of the graph is below the x-axis so greater care is needed here.
If no one answers this on paper by 2 am, I will write up the answers.
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Here. We must apply modulus on the section of the graph below the x-axis as integrals for portions of graphs below the x-axis give negative values, and obviously it does not make sense to add a negative area.
Date Posted:
5 years ago
Thank you! :)
done
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Alternative approach from a different point of view
Date Posted:
5 years ago
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