The first three terms of an arithmetic series are (p+5)(p+5)(p+5), (3p−1)(3p-1)(3p−1) and (4p+3)(4p+3)(4p+3) respectively.
Find the value of the constant ppp.
Find the sum of the first 12 terms of the series.
41 exam-style questions on AQA A Level Maths 1.7.4 Arithmetic sequences and series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.