Question

The sum of first n terms of a sequence is n

2 + n

a) What is the difference between to adjacent terms of this sequence ?

b) Can the difference between any two terms of this 25?

c) If the difference between two terms of this sequence is 100 then how many

terms exist between​

Answer 1

Answer:

The number of ordered elements (possibly infinite ) is called the length of the sequence. Unlike a set, order matters, and a particular term can appear multiple times at different positions in the sequence.