Question

Срочно!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ​

Answer 1

Ответ:

Б

b1=1/4; q=2.

b2=1/4*2=1/2

b3=1/2*2=1

Answer 2

Ответ:

$b_{1} = \frac{1}{4} \\q = 2\\b_{n} = b_{1} *q^{n-1}$

$b_{4} = b_{1} *q^{4-1} = \frac{1}{4} * 2^{3} = 2\\ b_{3} = b_{1} *q^{2-1} = \frac{1}{4} *2^{2} = 1\\b_{5} = b_{1} *q^{5-1} = \frac{1}{4} * 2^{4} = 4 \\b_{2} = b_{1} *q^{2-1} = \frac{1}{4} * 2^{1} = \frac{1}{2} \\\frac{b_{3} }{b_{2} } = \frac{1}{\frac{1}{2} } = 2$

верные ответы: Б