Question

o 10 termo dado a1=3 e r =5

Answer 1

$3 + 5 = 8 \\ 8 + 5 = 13 \\ 1 3 + 5 = 18$
$18 + 5 = 23 \\ 23 + 5 = 28 \\ 28 + 5 = 33$
$33 + 5 = 38 \\ 38 + 5 = 43 \\ 43 + 5 = 48$

$a10 = 48$