Question

Determine o oitavo termo da p.g (1/64 - 1/32)

Answer 1

Q = a₂/a₁
Q = (-1/32)/(1/64)
Q = -1/32 . 64/1
Q = -64/32
Q = -1/2

$A_{n} = a_{1} . Q^{(n -1)}$
a8 = 1/64 . (-1/2)⁷
a8 = 1/2⁶ . -1/2⁷
a8 = -1/8192