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secondary 4 | E Maths
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i only need part two and three
Evaluate vector DC and note the relationship between AB and DC and draw a conclusion
BF = BE + EF
= 6b - 3a + 2a - 2b
= 4b - 1a
BC = 2(BF)
= 2(4b - a)
= 8b - 2a
just remember to put the arrow at the top of alphabet letters :) do let me know if you’re unclear too
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