Question

㏒₂1/2²ⁿ⁻¹怎么计算？

Answer 1

方法如下，
请作参考：

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Answer 2

㏒₂(1/2²ⁿ⁻¹_ = -(2n-1) = 1-2n

Answer 3

log(2,0.5^{2n-1})
=log(2,2^{1-2n})
=1-2n
=-2n+1

Answer 4

log<2> [1/2^(2n-1) ]
=log<2> 2^(1-2n)
=1-2n