Edexcel error carried forward c4 2017

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mlyke
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#1
Report Thread starter 4 years ago
#1
I made a really stupid error on question one where instead of doing dy/dx= (dy/dt)/(dx/dt) i did (dx/dt)/(dy/dt) and got the gradient to be 1/8 at the point C instead of 8.
Would i get error carried forward if I found the tangent to point C but used 1/8 as the gradient and all the maths was correct?
Annoying as this could cost my A start
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eggzandbacon
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#2
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no doubt you'll get some ecf marks but there will probably be a cap so you'll lose maybe 2 or 3 marks. I did the same on the binomial series question where I completely disregarded the fact that the 243 was divided by 16 for finding k. So hopefully I get ecf marks on finding b.
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