Arithmetic Series How do I find the sum of an arithmetic series? An arithmetic series is the sum of the terms of an arithmetic sequence The following formulae will let you find the sum of the first...
Arithmetic Sequences What do I need to know about arithmetic sequences? In an arithmetic sequence, the difference between consecutive terms in the sequence is constant That constant differen...
Approximating Values What is the general binomial expansion? The general binomial expansion, as given in the formula booklet, is If n ∈ ℕ then the expansion is finite (see Binomial Expansion) Other...
General Binomial Expansion - Multiple What is the general binomial expansion? The general binomial expansion, as given in the formula booklet, is If n ∈ ℕ then the expansion is finite (see Binomial...
General Binomial Expansion - Subtleties What is the general binomial expansion? The binomial expansion applies for positive integers, n ∈ ℕ The general binomial expansion applies to other types of ...
General Binomial Expansion What is the general binomial expansion? The binomial expansion applies for positive integers, n ∈ ℕ The general binomial expansion applies to other types of powers too Th...
Binomial Expansion What is the binomial expansion? Look at the pattern Start at nC0, then nC1, nC2, etc Powers of a start at n and decrease by 1 Powers of b start at 0 and increase by 1 &nbs...
Radius & Tangent What is the relationship between tangents and radii? A tangent is a line that touches a circle at a single point but doesn't cut across the circle A tangent to a circle is perp...
Angle in a Semicircle What is the angle in a semicircle property? It is always possible to draw a unique circle through the three vertices of a triangle – this is called the circumcircle of the tri...
