Question

determine o 41°termo da p.a. (9,14,19,24,...)

Answer 1

an = a1 + (n – 1)r
a41 = 9 + (41 – 1)* 5
a41 = 9 + 40* 5
a41 = 9 + 200
a41 = 209

Answer 2

$> resolucao \\ \\ \geqslant progressao \: aritmetica \\ \\ r = a2 - a1 \\ r = 14 - 9 \\ r = 5 \\ \\ \geqslant \: o \: 41 \: termo \: da \: pa \: \\ \\ an = a1 + (n - 1)r \\ an = 9 + (41 - 1)5 \\ an = 9 + 40 \times 5 \\ an = 9 + 200 \\ an = 209 \\ \\ \\ > < > < > < > < > < > < > >$