lnx是增函數(shù)
所以y的減區(qū)間就是真數(shù)的減區(qū)間
1+x²的減區(qū)間是(-∞,0)
所以y的減區(qū)間是(-∞,0)
y=ln(1+x^2)的單調(diào)遞減區(qū)間是什么
y=ln(1+x^2)的單調(diào)遞減區(qū)間是什么
數(shù)學人氣:162 ℃時間:2020-10-02 00:39:00
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