Summary Edexcel A Level Pure Maths Paper 2 2020 (without ms)

P66786A
© Pearson Education Ltd.

, 1 The table below shows corresponding values of x and y for

The values of y are given to 4 significant figures.

x 0.5 1 1.5 2 2.5

y 0.5774 0.7071 0.7746 0.8165 0.8452

(a) Use the trapezium rule, with all the values of y in the table, to find an estimate for




giving your answer to 3 significant figures.
(3)


(b) Using your answer to part (a), deduce an estimate for
(1)
Given that


to 4 significant figures

(c) comment on the accuracy of your answer to part (b).
(1)
(Total for Question 1 is 5 marks)
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2. Relative to a fixed origin, points P, Q and R have position vectors p, q and r respectively.
Given that

● P, Q and R lie on a straight line
● Q lies one third of the way from P to R
show that



(3)
(Total for Question 2 is 3 marks)
___________________________________________________________________________




P66786A
© Pearson Education Ltd.