1,已知函数y=(x/(x+2))^x,则y的导数=
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y’=(ln(x/(x+2))+2/(x+2))(x/(x+2))ˣ
咨询记录 · 回答于2023-03-07
1,已知函数y=(x/(x+2))^x,则y的导数=
y’=(ln(x/(x+2))+2/(x+2))(x/(x+2))ˣ
1,已知函数y=(x/(x+2))^x,则y的导数=解题因为y=(x/(x+2))^xlny=ln(x/(x+2))^xlny=xln(x/(x+2))两边同时对x求导得y’/y=ln(x/(x+2))+x×(x+2)/x×(x/(x+2))’=ln(x/(x+2))+(x+2)×(x+2-x)/(x+2)²=ln(x/(x+2))+2/(x+2)所以y’=(ln(x/(x+2))+2/(x+2))×y=(ln(x/(x+2))+2/(x+2))(x/(x+2))ˣ
1,已知函数y=(x/(x+2))^x,则y的导数=解题因为y=(x/(x+2))^xlny=ln(x/(x+2))^xlny=xln(x/(x+2))两边同时对x求导得y’/y=ln(x/(x+2))+x×(x+2)/x×(x/(x+2))’=ln(x/(x+2))+(x+2)×(x+2-x)/(x+2)²=ln(x/(x+2))+2/(x+2)所以y’=(ln(x/(x+2))+2/(x+2))×y=(ln(x/(x+2))+2/(x+2))(x/(x+2))ˣ
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