Question

Determine a sequência definida por an=5n2-3n+1 e n e {1,2,3,4}

Answer 1

n=1 a1=5.(1)^2-3.1+1=5.1-3+1=5-3+1=2+1=3
n=2 a2=5.(2)^2-3.2+1=5.4-6+1=20-6+1=14+1=15
n=3 a3=5.(3)^2-3.3+1=5.9-9+1=45-9+1=36+1=37
n=4 a4=5.(4)^2-3.4+1=5.16-12+1=80-12+1=68+1=69