Question

calcule dos 30 primeiros termos da PA (4,10,)

Answer 1

a1 = 4
a2 = 10
r = 10 - 4 = 6
PA{4,10.16,22,28,34,40,46,52,58,64,70,76,82,88,94,100,106,112,118,124,130,136,142,148,154,160,166,172,178,]
a30 = 4 + 29r = 4 + 29(6) = 4 + 174 = 178 ***