Pure Maths Paper 1 2019 Pearson Edexcel A level maths

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R2Drew2

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Love it! For question 8c, You set the integral to be equal to -20/3 so therefore the root of 5.442 is where the area of integration is still -20/3. This means that the area after x=4 cancels with the unshaded area under the x axis, rather than becoming positive 20/3

oliverarnup

Error on Q5 in when expanding g(x)? 2(x^2 - 4x + 4) + 4x -3 = 2x^2 -8x + 8 + 4x -3, not 2x^2 -8x + 4 + 4x -3. Or am I wrong?

laddrop

lovely vid!
dont wanna be that guy but there was a slight error on question 9 part A :)

sin