Question

encontre o termo geral da pa (7/3, 11/4,...)

Answer 1

a1 = 7/3
a2 = 11/4
r = 11/4 - 7/3 = ( 33 - 28)/12 = 5/12
an = a1 + (n-1)r
an = 7/3 + (n-1)5/12
an = 7/3 + 5n/12 - 5/12
an = ( 28 + 5n - 5)/12
an = ( 23 + 5n)/12