两园x^2+y^2-8x+6y-11=0与x^2+y^2=100的位置关系是什么?

两园x^2+y^2-8x+6y-11=0与x^2+y^2=100的位置关系是什么? x*x+2x-y*y+6y-8=0,x+y不等于2,求x-y的值 已知X*X+Y*Y+6X-8Y+25=0 求（Y/X)+(X/Y)-2=? 【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y) 两圆x^2+y^2-6x+16y=0与x^2+y^2+4x-8y-44=0的公切线条数 【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2= y-3x=2,y-5x=4,y-7x=6,y-9x=8,y-11x=0方程组,无 若x-y不等于0,2x-3y=0,则分式(10x-11y)/(x-y)的值是（）?(10x-11y)/(x-y) =[(8x-8y)+(2x-3y)]/(x-y) =8为什么8X-8Y=8？(10x-11y)/(x-y)=[(8x-8y)+(2x-3y)]/(x-y)=8+(2x-3y)]/(x-y)=8+0=8 已知x.x+y.y+8x+6y+25=0,求代数式(x.x-4y.y)/(x.x+4xy+4y.y)-x/(x+2y)的值 {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+y)((x+y-1)=0,(x-y)(x-y-1)=0 x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2 两圆x^2+y^2+2x+4y+3=0,x^2+y^2-2x+2y-6=0的位置关系是： 两圆x^2+y^2-10x-10y=0,X^2+Y^2+6X+2y-40=0的公共弦的方程. 已知两圆x+y-2x+10y-24=0和x+y+2x+2y-8=0.求公共弦的长度 已知x^2+y^2-6x-8y+25=0,求分式y/x - x/y的值 已知x^2+y^2-6x-8y+25=0 求y/x-x/y的值 已知x,y满足x^2+y^2-6x+8y+25=0,求y^x的值 若x^2+y^2-6x+8y+25=0 则y/x-x/y的值是