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Pure Math Cie A level

When integrating a curve to find the volume, do you first expand the y^2 or not and when to expand
(edited 2 years ago)
Screenshot 2021-04-30 072045.jpgA question for example
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mqb2766
21
It must depend on whatever makes the integral easier to evaluate. In this case, expanding the y^2 would certainly be the way to go.
Original post by mqb2766
It must depend on whatever makes the integral easier to evaluate. In this case, expanding the y^2 would certainly be the way to

The differentiation part the questions regarding prisms(area , volume , surface area ) are quite alot but what are the formulas we should know on which shapes which are common
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Avatar for mqb2766
mqb2766
21
Original post by Sasha Shasha
The differentiation part the questions regarding prisms(area , volume , surface area ) are quite alot but what are the formulas we should know on which shapes which are common

Sorry, not sure what you're asking.
Original post by Sasha Shasha
Screenshot 2021-04-30 072045.jpgA question for example
Can you please tell me where did you find this question ?

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