Ответ:
-1/3 или 1/3
Объяснение:
[tex]b_{15} = b_{1} * q^{14} \\b_{17} = b_{1} * q^{16} \\ \frac{b_{17}}{b_{15}} = \frac{b_{1} * q^{16}}{b_{1} * q^{14}} = q^{2} = 7/63 = 1/9[/tex] => q1 = 1/3 q2 = -1/3
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Ответ:
-1/3 или 1/3
Объяснение:
[tex]b_{15} = b_{1} * q^{14} \\b_{17} = b_{1} * q^{16} \\ \frac{b_{17}}{b_{15}} = \frac{b_{1} * q^{16}}{b_{1} * q^{14}} = q^{2} = 7/63 = 1/9[/tex] => q1 = 1/3 q2 = -1/3