X(0,1)ڵľȷֲ,Y=X^2ڣ0,1ĸܶ

mathematica软件,已知y[x],Y=f1(x),X(x)=f2(x),如何plotY[X]?y[x_]:=x+9.81/2*x*xk=1X[x]=x-k*y''[x]/(1+(y''[x])^2

设x大于1,y大于0,x^y+x^-y=2根号二,x^y-x^-y等于?设x大于1,y大于0,x^y+x^-y=2根号二,x^y-x^-y等于?设x大于1,y大于0,x^y+x^-y=2根号二,x^y

y=1-x^2x>=0,y=sin|x|/xxy=1-x^2x>=0,y=sin|x|/xxy=1-x^2x>=0,y=sin|x|/xxf(x)={sin(-x)/x,x

已知x,y满足约束条件：x-y+1>=0,x+y-2>=0,x已知x,y满足约束条件：x-y+1>=0,x+y-2>=0,x已知x,y满足约束条件：x-y+1>=0,x+y-2>=0,x最小值0.5,

y=1/x^2(x>0)y=(1-x)/(1+x)y=(e^x-e^-x)/2y=1/x^2(x>0)y=(1-x)/(1+x)y=(e^x-e^-x)/2y=1/x^2(x>0)y=(1-x)/(1

若x+y=1,x不等于0则x+(2xy+y^2)/x/(x+y)/x=若x+y=1,x不等于0则x+(2xy+y^2)/x/(x+y)/x=若x+y=1,x不等于0则x+(2xy+y^2)/x/(x+

若2x-3y+4=0则x（x*x-1)+x(5-x*x)-6y+7若2x-3y+4=0则x（x*x-1)+x(5-x*x)-6y+7若2x-3y+4=0则x（x*x-1)+x(5-x*x)-6y+7x

已知x^2+y^2-8x+12y+52=0,求1/2x-1/x-y(x-y/2x-x^2+y^2)已知x^2+y^2-8x+12y+52=0,求1/2x-1/x-y(x-y/2x-x^2+y^2)已知

已知x^2+y^2-8x+12y+52=0,求1/2x-1/x-y(x-y/2x-x^2+y^2)已知x^2+y^2-8x+12y+52=0,求1/2x-1/x-y(x-y/2x-x^2+y^2)已知

若|x+y-1|+（x-y-2)²=0,求代数式（x+2y)(x-2y）-（2x-y)(-y-2x)的值.若|x+y-1|+（x-y-2)²=0,求代数式（x+2y)(x-2y）-

{4x-3y-10=03x-2y=0,{3x-4(x-y)=22x-3y=1,{2(x+y)-(x-y)=3(x+y)-2(x-y)=1{4x-3y-10=03x-2y=0,{3x-4(x-y)=22

{x+y=1,xy=-6{x(2x-3)=0,y=x²-1{(3x+4y-3)(3x+4y+3)=0,3x+2y=5{(x-y+2)(x+y)=0,x²+y²=8{(x+

先化简再求值;解方程组x(x-y)-y(x+y)+2xy其中x=2,y=-22.x[x-x(x-1)],其中x=-2解方程组4x+3y=12x-y=32.y+1=2x4x-y=23.2x+2y=02x

方程x(x*x+y*y-1)=0和x*x-(x*x+y*y-1)^2=0表示的图形是?方程x(x*x+y*y-1)=0和x*x-(x*x+y*y-1)^2=0表示的图形是?方程x(x*x+y*y-1)

2x+y-2=0,x-3y-12x+y-2=0,x-3y-12x+y-2=0,x-3y-12x+y-2=0,x-2y+4=0下方,x-3y-1=0上方x^2+y^2是到原点距离的平方及到原点最远显然是

//voidfun(floaty,floatx[],){x[0]=x[1]+x[2];y=y+x[3];//voidfun(floaty,floatx[],){x[0]=x[1]+x[2];y=y+x

x²-4x-1=0,求(2x-3)²-(x+y)(x-y)-y²x²-4x-1=0,求(2x-3)²-(x+y)(x-y)-y²x²

A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0A={(x,y)|y=-x^2+mx-1},B=

已知2x-y=0,求分式【1+（3*y*y*y/x*x*x-y*y*y）】/【1+（2y/x-y）】的值注：x*x*x-y*y*y=（x-y）*（x*x+xy+y*y）已知2x-y=0,求分式【1+（

已知实数x,y满足x-ay-1>=0,2x+y>=0,x已知实数x,y满足x-ay-1>=0,2x+y>=0,x已知实数x,y满足x-ay-1>=0,2x+y>=0,xz=x+3y只有当x=1,y=0