Question

Encontre o termo geral da PA 4/3 6/4

Answer 1

a1 = 4/3
a2 =6/4
r = 6/4 -4/3 =(18 - 16)/12= 2/12= 1/6 ***
an = a1 + ( n - 1)r
an = 4/3 + ( n - 1)1/6
an = 4/3 + n/6 - 1/6
an = ( 8 + n - 1)/6
an = ( 7 + n )/6 ****