Question

calcule o trigésimo nono termo da PA (4,9,14...,)​

Answer 1

$> resolucao \\ \\ \geqslant progressao \: aritmetica \\ \\ a1 = 4 \\ a2 = 9 \\ n = 39 \\ r = a2 - a1 > 9 - 4 = 5 \\ \\ \geqslant o \: 39 \: termo \: da \: pa \\ \\ \\ an = a1 + (n - 1)r \\ an = 4 + (39 - 1)5 \\ an = 4 + 38 \times 5 \\ an = 4 + 190 \\ an = 194 \\ \\ > < > < > < > < > < > >$