LemmaraPast papersArithmetic Series: Proofs and Conditions: past-paper questions with worked solutions
5 real exam questions on arithmetic series: proofs and conditions from XMA01. Open any one for the full worked solution, step by step, with the final answer.
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Practise arithmetic series: proofs and conditions until it sticks
A short lesson, then real past-paper questions marked on your working, with a worked solution for every part.
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