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x^(log base (1/x) of N) 是否有简化?
是的,它是1 / N(的倒数N),当然前提是N和x都是正数 和x != 1。
1 / N
N
x
x != 1
x^(log[1/x](n)) = e^(log[1/x](n)*ln(x)) = e^((ln(n)/ln(1/x))*ln(x)) = e^(ln(n)*ln(x)/(-ln(x)) = e^(-ln(n)) = 1/n