1.y=x^3+log2x2.y=x^n+e^x3.y=(x^3-1)/sinx4.y=(x+1)^995.y=2e^(-x)6.y=2xsin(2x+5)7.设函数f(x)=1-e^x的图像与x轴相交于点P,求曲线在点P处的切线方程

1.y=x^3+log2x2.y=x^n+e^x3.y=(x^3-1)/sinx4.y=(x+1)^995.y=2e^(-x)6.y=2xsin(2x+5)7.设函数f(x)=1-e^x的图像与x轴相交于点P,求曲线在点P处的切线方程 若[-3(x+y)^m*(x-y)^2n]^2*[-(x+y)^2]=-a(x+y)^10*(x-y)^12-n,求m,n的值 x+y=m,x-y=n,那么2x-3y等于 x+y=m,x-y=n,那么2x-3y等于多少 已知M={(x,y)|y=-x^2+mx-1},N={(x,y)|y=-x+3,0 1.微分方程y'-(n/x)y=（x^n）*（e^x）的通解 1.M={y/y=x²-2x-1},N={y/y=x²+2x+3},求M与N的交集2.M={(X,Y)/Y=X},N={(x,y)/y=2x-1},求M与N的交集3.M={x/y=根号（x-2）},N={x/y=根号（3-x）份之一},求M与N的交集 若X^n=2,y^n=3,(x^2y^3)^n= 一道数学题：x^-n=2,y^-n=3；(x^2y^2)^-n=? 已知x^n=5,y^n=3,求(x^2y)^2n 计算(x-y)的n次方*[(y-x)的3次方+5(x+y)的n次方(y-x)的2n次方]=______(n为正整数) void fun(int x,int y) {x=x+y;y=x-y;x=x-y; printf(%d,%d,,x,y); } main() {int x=2,y=3; fun(x,y); privoid fun(int x,int y){x=x+y;y=x-y;x=x-y;printf(%d,%d,,x,y);}main(){int x=2,y=3;fun(x,y);printf(%d,%d ,x,y);} 3n【x+y】-x-y因式分解 若1+2+3+...+n=a,求代数式(x^ny)(x^n-1y^2)(x^n-2y^3)...(x^2y^n-1)(xy^n) 若1+2+3+...+n=a,求代数式(x^ny)(x^n-1y^2)(x^n-2y^3)...(x^2y^n-1)(xy^n) 若1+2+3+...+n=55,求代数式(x^ny)(x^n-1y^2)(x^n-2y^3)...(x^2y^n-1)(xy^n) 设y=x(x-1)(x-2)(x-3)——（x-n）,则y^(n+1)=? 计算：1.[(m+n)(n-m)-(m+n)^2+3m(m+n)]除以（-2M),其中m=-4,n=2 2.(x+y)(-x+y)-(x-y)^2-(X^2y-xy^2)除