AS Core Pure sample Pearson Edexcel Further Maths

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16:05 i think i read in the normal a level textbook that 5% is the threshold for being a good model

reload
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4:24 it's in position vector form, so should be (7.5, 5.5, -3.5) as it's asking for the coordinate.

michaelswahla
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A question for 5:30. Do you have to show full working in these questions of the 3x3 inverse matrix to score full marks or is it fine to just do it on your calculator?

michaelswahla
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Just wondering, what's your opinion on the ib hl maths aa course?

heroherobot
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3:44 i think u mean 1dp instead of 2dp.

michaelswahla
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are there other ways to do the shortest distance from a point to a line rather than minimise using diff?

bqkscls
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Hello Sir for question 2 why is sin0 and not cos0? or is that wrong?

nepaliman