Ответ:
bn=b1×q^(n-1)
a)b8=1/2×4⁷
b8=1/2×16384
b8=8192
б)b10=2×(1/2)⁹
b10=2×1/512
b10=1/256
в)b5=1×(1/3)⁵
b5=1×1/243
b5=1/243
г)b100=-4×1⁹⁹
b100=-4×1
b100=-4
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Ответ:
Пошаговое решение:
bn=b1×q^(n-1)
a)b8=1/2×4⁷
b8=1/2×16384
b8=8192
б)b10=2×(1/2)⁹
b10=2×1/512
b10=1/256
в)b5=1×(1/3)⁵
b5=1×1/243
b5=1/243
г)b100=-4×1⁹⁹
b100=-4×1
b100=-4