判定圆x^2+y^2-6x+4y+12=0与圆x^2+y^2-14x-12y+14=0是否相切?
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判定圆x^2+y^2-6x+4y+12=0与圆x^2+y^2-14x-12y+14=0是否相切?判定圆x^2+y^2-6x+4y+12=0与圆x^2+y^2-14x-12y+14=0是否相切?判定圆x
判定圆x^2+y^2-6x+4y+12=0与圆x^2+y^2-14x-12y+14=0是否相切?
判定圆x^2+y^2-6x+4y+12=0与圆x^2+y^2-14x-12y+14=0是否相切?
判定圆x^2+y^2-6x+4y+12=0与圆x^2+y^2-14x-12y+14=0是否相切?
X2+Y2-6X+4Y+12=0,
(x-3)²+(y+2)²=1²圆心是(3,-2),半径是1
X2+Y2-14X-2Y+14=0
(x-7)²+(y-1)²=6²圆心是(7,1),半径是6
圆心距为5,
所以两圆内切!
判定圆x^2+y^2-6x+4y+12=0与圆x^2+y^2-14x-12y+14=0是否相切?
1.求两圆x²+y²-10x-10y=0,x²+y²+6x+2y-40=0 的公共弦的长2.判定两圆x²+y²-4x+4y+12=0 ,x²+y²-14x-2y+14=0是否相切
y=x^2+3x判定奇偶性
判定两园X2+Y2-6X+4Y+12=0,X2+Y2-14X-2Y+14=0是否相切?那个X2是X的平方!Y也一样!园子打错 是圆!
判定圆x2+y2-6x-4y+12=0与圆x2+y2-6x-2y-40=0是否相切拜托各位了 3Q
已知直线族L:kx-y-4k+3=0,另有定圆C:x^2+y^2-6x-8y+21=0.试判定动直线L与定圆C的位置关系并加以证明
判定圆(x+6)^2+(y-2)^2与下列直线的位置关系:(1)2x+y+5=0(2)x+y+2=0(3)3x-4y+11=0(x+6)^2+(y-2)^2=5,不好意思,漏了
判定圆(x+6)^2+(y-2)^2=5与下列直线的位置关系:(1)2x+y+5=0(2)x+y+2=0(3)3x
(x+y)/2- x-y/2=6 3(x+y)=4(x-y)
x+y/3+x-y/2=6 4(x+y)-2(x-y)=40
{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20
{(x+y)/2+(x-y)/3=6 4(x+y)-3(x-y)=-20
4(x+y)-3(x-y)=-20,2/x+y+3/x-y=6
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
判定y=sin(x/2)+sin(x/5)是周期函数吗
解方程组:x+y/2+x-y/3=6 4(x+y)-5(x-y)=12
解方程组{2(x-y)/3 - x+y/4=-1 6(x+y)-41(x-y)=12