Question

seja a sequencia defenida  por an = -3 +5n,nen*

Answer 1

an = - 3 + 5n

a1 = - 3 + 5.1 = - 3 + 5 = 2
a2= - 3 + 5.2 = - 3 + 10 =  7
a3= - 3 + 5. 3 = - 3 + 15 = 12 
a4= - 3 + 5.4 = - 3 + 20 =17

(2,7,12 ,17,...........)