Question

ПОМОГИТЕ!! ПОЖАЛУСТА!!!

Answer 1

$q = frac{a _{3} }{a _{2} }= frac{1}{16} : frac{1}{32} = frac{1}{16}* 32 = 2$
$a _{2} = a _{1} * q$
$a _{1} = frac{a _{2} }{q} = frac{1}{32}: 2 = frac{1}{64}$
$a _{12} = a _{1}* q ^{11} = frac{1}{64} *2 ^{11}= frac{2 ^{11} }{2 ^{6} } = 2 ^{5}= 32$