Question

Напишите решение 107 задачи.

Answer 1

$b_{1}*b_{2}*b_{3}=125$

$b_{1} =\frac{b_{2} }{n}$

$b_{3} =b_{2} *n$

$\frac{b_{2}*b_{2}*b_{2}*n}{n} =125$

$b^{3}_{2}=125$

$b^{3}_{2}= 5^{3}$

$b_{2}=5$

Answer 2

b1*b1*q*b1*q^2=125

(b1*q)^3=5^3

b1*q=5

b2=5

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