6. Write the following sets in roster form and also in set builder form:
(ii) the set of letters in the word ‘ULTIMATUM’
The set of letters in the word ‘ULTIMATUM’ in roster form is U,L,M,A,T,I
The set of letters in the word ‘ULTIMATUM' in set builder form is x:xisletterintheword'ULTIMATUM'
(i) the set of integers which lie between -2 and 3 (both inclusive)