HL 3.2 - Arithmetic sequences & series
SL 1.2: Arithmetic sequences and series; use of the formulae for the n th term and the sum of the first n terms of the sequence; use of sigma notation for sums of arithmetic sequences; applications (e.g. simple interest); interpretation and prediction where a model is not perfectly arithmetic in real life. If a fixed number (positive or negative) is being added to a quantity at regular intervals then we say that the...