Question

calcule o 32 termo da p.a: (-3,-5,-7,...).

Answer 1

$> resolucao \\ \\ \geqslant progressao \: aritmetica \\ \\ r = a2 - a1 \\ r = - 5 - ( - 3) \\ r = - 5 + 3 \\ r = - 2 \\ \\ \\ \geqslant o \: 32 \: termo \: da \: pa \: \\ \\ an = a1 + (n - 1)r \\ an = - 3 + (32 - 1) - 2 \\ an = - 3 + 31 \times ( - 2) \\ an = - 3 + ( - 62) \\ an = - 3 - 62 \\ an = - 65 \\ \\ > < > < > < > < >$