Question

Seja a p.a 8,13,18,23,28 determine o 39° termo

Answer 1

$> \: resolucao \\ \\ \geqslant \: progressao \: \: aritmetica \\ \\ r = a2 - a1 \\ r = 13 - 8 \\ r = 5 \\ \\ = = = = = = = = = = = = = = = \\ \\ > \: o \: 39 \: termo \: da \: pa \\ \\ an = a1 + (n - 1)r \\ an = 8 + (39 - 1)5 \\ an = 8 + 38 \times 5 \\ an = 8 + 190 \\ an = 198 \\ \\ \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \geqslant$