Question

Find a formula for the general term of each of the following sequences a)7,13,19,25,31

Answer 1

aₙ= 6n+1

Explanation:

7,13,19,25,31

Given, AP with the first term of 7, and common difference of 6

Nth term:

• aₙ= a₁+(n-1)d= 7 + (n-1)*6= 7+6n-6= 6n+1

• aₙ= 6n+1