lim(x->∞)[(3x-1)\(3x+1)]^(1-2x) 的极限 lim(x->0) ln(1+4x)\[√(1+2x)-1]的极限y=x^2ln(3-x) 求dyy=cos(ln3x)+2e^(1-x^2)+ln(π/4)求dyy=cos2x/(x-1)求dyy=lnx x=1点处的切线方程y=2√x 点m(1,2)处的法线方程怎么没人
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/26 04:14:01
![lim(x->∞)[(3x-1)\(3x+1)]^(1-2x) 的极限 lim(x->0) ln(1+4x)\[√(1+2x)-1]的极限y=x^2ln(3-x) 求dyy=cos(ln3x)+2e^(1-x^2)+ln(π/4)求dyy=cos2x/(x-1)求dyy=lnx x=1点处的切线方程y=2√x 点m(1,2)处的法线方程怎么没人](/uploads/image/z/434045-29-5.jpg?t=lim%28x-%3E%E2%88%9E%EF%BC%89%5B%283x-1%29%5C%283x%2B1%29%5D%5E%281-2x%29+%E7%9A%84%E6%9E%81%E9%99%90+lim%EF%BC%88x-%3E0%29+ln%281%2B4x%29%5C%5B%E2%88%9A%EF%BC%881%2B2x%EF%BC%89-1%5D%E7%9A%84%E6%9E%81%E9%99%90y%3Dx%5E2ln%283-x%29+%E6%B1%82dyy%3Dcos%28ln3x%29%2B2e%5E%281-x%5E2%29%2Bln%EF%BC%88%CF%80%2F4%29%E6%B1%82dyy%3Dcos2x%2F%EF%BC%88x-1%29%E6%B1%82dyy%3Dlnx+x%3D1%E7%82%B9%E5%A4%84%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8By%3D2%E2%88%9Ax+%E7%82%B9m%EF%BC%881%2C2%EF%BC%89%E5%A4%84%E7%9A%84%E6%B3%95%E7%BA%BF%E6%96%B9%E7%A8%8B%E6%80%8E%E4%B9%88%E6%B2%A1%E4%BA%BA)
lim(x->∞)[(3x-1)\(3x+1)]^(1-2x) 的极限 lim(x->0) ln(1+4x)\[√(1+2x)-1]的极限y=x^2ln(3-x) 求dyy=cos(ln3x)+2e^(1-x^2)+ln(π/4)求dyy=cos2x/(x-1)求dyy=lnx x=1点处的切线方程y=2√x 点m(1,2)处的法线方程怎么没人
lim(x->∞)[(3x-1)\(3x+1)]^(1-2x) 的极限 lim(x->0) ln(1+4x)\[√(1+2x)-1]的极限
y=x^2ln(3-x) 求dy
y=cos(ln3x)+2e^(1-x^2)+ln(π/4)求dy
y=cos2x/(x-1)求dy
y=lnx x=1点处的切线方程
y=2√x 点m(1,2)处的法线方程
怎么没人来捡分?
lim(x->∞)[(3x-1)\(3x+1)]^(1-2x) 的极限 lim(x->0) ln(1+4x)\[√(1+2x)-1]的极限y=x^2ln(3-x) 求dyy=cos(ln3x)+2e^(1-x^2)+ln(π/4)求dyy=cos2x/(x-1)求dyy=lnx x=1点处的切线方程y=2√x 点m(1,2)处的法线方程怎么没人
1.dy/dx=2x*ln(3-x)-x^2/(3-x)
dy=[2x*ln(3-x)-x^2/(3-x)]*dx
2.dy/dx=-sin(ln3x)/3x+2e^(1-x^2)*(-2x)
dy=[-sin(ln3x)/3x+2e^(1-x^2)*(-2x)]*dx
3.dy/dx=1/x →(1,ln1)
jhvh
1,e^3/4
2,1