Pearson Edexcel Level 3 GCE Mathematics Advanced PAPER 1: Pure Mathematics 1. question booklet and mark scheme results 2022

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f(x) = ax3 + 10x2 − 3ax − 4 Given that (x − 1) is a factor of f(x), find the value of the constant a. You must make your method clear. (3) ___________________________________________ 2. Giv... en that f(x) = x2 − 4x + 5 x ∈  (a) express f(x) in the form (x + a)2 + b where a and b are integers to be found. (2) The curve with equation y = f (x) • meets the y-axis at the point P • has a minimum turning point at the point Q (b) Write down (i) the coordinates of P (ii) the coordinates of Q (2) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ ________________________________ [Show More]

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