If an-3 = 2n – 5, its nth term is?
If an-3 = 2n – 5, its nth term is?
Explanation
To find the nth term, replace n with n+3:
an = 2(n+3) - 5
an = 2n + 6 - 5
an = 2n + 1
Therefore, the nth term is: 2n + 1
To find the nth term, replace n with n+3:
an = 2(n+3) - 5
an = 2n + 6 - 5
an = 2n + 1
Therefore, the nth term is: 2n + 1