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Recent content by Luisis1337

L
Mathematics: Post your doubts here!

The question is phrased stupidly but you need to find the minimum of the DERIVATIVE not the main function, so if you set the double derivative to 0 you only get one value which is the minimum
- Luisis1337
- Post #12,414
- May 7, 2014
- Forum: A-Levels
L
Mathematics: Post your doubts here!

Well there are two ways to do this, in terms of dy or dx, in this problem it would be easier to do in terms of dy because of the y^2 To integrate here you need to find the limits, since you know a=5 but you are integrating in terms of y, you plug in 5 and 1/2 in either formula you get the new...
- Luisis1337
- Post #12,413
- May 6, 2014
- Forum: A-Levels
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Recommendations for a good scientific calculator for AS Maths?

No, graphing calculators are banned
- Luisis1337
- Post #14
- May 6, 2014
- Forum: A-Levels
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Calculator Specifications for maths?

Pretty sure no graphing calculators. Also i recommend a casio fx115 for the exam if you can get one. It's extremely useful and has many functions most calculators don't normally have
- Luisis1337
- Post #3
- May 12, 2013
- Forum: O-Levels / GCSEs / IGCSE

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