Question

Can some one help me solve this sequence? It’s 121,97,73,49,25

Answer 1

We have the sequence:

121, 97, 73, 49, 25.

First, we have to look if there is a common difference between the terms of the sequence:

`\begin{gathered} 97-121=-24 \\ 73-97=-24 \\ 49-73=-24 \\ 25-49=-24 \end{gathered}`

We have a common difference of d=-24, so we can write the sequence in recursive form as:

`a_n=a_(n-1)-24`