Question

Calcule e o 7 termo da Pg (-2,-4…)

Answer 1

$> resolucao \\ \\ \geqslant progressao \: geometrica \\ \\ q = \frac{a2}{a1} \\ q = \frac{ - 4}{ - 2} \\ q = 2 \\ \\ an = a1 \times q {}^{n - 1} \\ an = - 2 \times 2 {}^{7 - 1} \\ an = - 2 \times 2 {}^{6} \\ an = - 2 \times 64 \\ an = - 128 \\ \\ \\ > < > < > < > < > <$