Question

encontre os 28 termo da p.a 42 45 48

Answer 1

encontre os 28 termo da p.a 42 45 48

PA = {42,45,48...}

R = A2 - A1
R = 45 - 42
R = 3

A28 = A1 + 27R
A28 = 42 + 27*3
A28 = 42 + 81
A28 = 123

RESPOSTA :

A28 = 123

EA PA COMPLETA

PA = {42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123}