Question

Find the first three terms of the sequence below. T n = n 2 + 5 n + 2

Answer 1

Answer:

Tn=n^2+5n+2

T1=(1)^2+5.1+2=1+5+2=8

T2=(2)^2+5.2+2=4+10+2=16

T3=(3)^2+5.3+2=9+15+2=26

so the 1st three terms are 8,16,26