Question

Calcule o 5° termo da pg (5,-5,...)

Answer 1

$> resolucao \\ \\ \geqslant progressao \: geometrica \\ \\ q = \frac{a2}{a1} \\ q = \frac{ - 5}{5} \\ q = - 1 \\ \\ \\ \geqslant \: o \: 5 \: termo \: da \: pg \\ \\ an = a1 \times q {}^{n - 1} \\ an = 5 \times ( - 1) {}^{5 - 1} \\ an = 5 \times ( - 1) {}^{4} \\ an = 5 \times 1 \\ an = 5 \\ \\ \\ > < > < > < > < > < > >$