对数函数题 log a - log b = 3 log (c/2) 求 a = ______________

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对数函数题 log a - log b = 3 log (c/2) 求 a = ______________

log a - log b = 3 log (c/2)
log a/b = log (c/2)^3
a/b=(c/2)^3
a=b(c/2)^3=bc^3/8

a=bc^3/8