f(x)+f(-x)
=-x+log2[(1-x)/(1+x)]+x+log2[(1+x)/(1-x)]
=log2{[(1-x)/(1+x)][(1-x)/(1+x)]}
=log2(1)
=0
所以原式=0
已知函數(shù)f(x)=-x+log2(1-x)/(1+x),則f(1/2011)+f(-1/2011)的值為?
已知函數(shù)f(x)=-x+log2(1-x)/(1+x),則f(1/2011)+f(-1/2011)的值為?
數(shù)學(xué)人氣:720 ℃時(shí)間:2020-05-20 22:03:08
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