Ответ:
-8
Объяснение:
[tex]bn = b1 \times {q}^{n - 1} \\ \\ b4 = 1 \times ( { - 2}^{4 - 1} ) = 1 \times ( { - 2}^{3} ) = 1 \times ( - 8) = - 8[/tex]
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Ответ:
-8
Объяснение:
[tex]bn = b1 \times {q}^{n - 1} \\ \\ b4 = 1 \times ( { - 2}^{4 - 1} ) = 1 \times ( { - 2}^{3} ) = 1 \times ( - 8) = - 8[/tex]