Fourier Series The following sum is a finite Fourier series. (a) Use Exercise 105 to show that the th coefficient is given by (b) Let Find and a3 a .

Notes ma 128 2.1 sets and operation on sets Set- unerverse of objects only two choice collection. 2 apples , 2 pens ect. 2 or more sets = subset 1. Word description – between two and ten 2. Braces ( 2,4,6,8,10) 3. Builder notation Subset- a set within the set Empty sets- has no element Intersection of sets- common to both A and B Disjoint set- nothing in common Union – have all in the...