牛顿莱布尼兹公式求由∫(下限为2,上限为y)e^tdt+∫(下限为o,上限为x)costdt=0所确定的隐函数y对x的导数dy/dx求1,∫(下限为-1,上限为1)(x-1)^3dx2,求由∫(下限为0,上限为5)|1-x|dx3,求由∫(
<p>问题:牛顿莱布尼兹公式求由∫(下限为2,上限为y)e^tdt+∫(下限为o,上限为x)costdt=0所确定的隐函数y对x的导数dy/dx求1,∫(下限为-1,上限为1)(x-1)^3dx2,求由∫(下限为0,上限为5)|1-x|dx3,求由∫(<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">范传伟的回答:<div class="content-b">网友采纳 e^(y)-e^(2)+sin(x)=0,y=ln(e^(2)-sin(x)),dy/dx=-cos(x)/(e^(2)-sin(x). 1).(x-1)^4/4|(-1,1)=(1-1))^4/4-(-1-1))^4/4=-4; 2).∫(下限为0,上限为5)|1-x|dx=-∫(下限为0,上限为1)x-1dx+ ∫(下限为1,上限为5)x-1dx=-(x-1)^2/2|(0,1)+(x-1)^2/2|(1,5)=17/2; x√x^2是奇函数,所以∫(下限为-2,上限为2)x√x^2dx=0
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