Question

Numa pg tem se a1=1/4 q=√2 calcule a7

Answer 1

$a_{n} = a_{1} . q^{n - 1} \\ a_{7} = \frac{1}{4} . \sqrt{2} ^{7-1} \\ a_{7} = \frac{1}{4} . \sqrt{2}^{6} \\ a_{7} = \frac{1}{4} . 8 \\ a_{7} = \frac{8}{4} \\ a_{7} = 2$