已知实数x、y、z,满足3x-2y-4z=-9且x+2y-4z=5,试求出x^2+y^2+z^2的最小值
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 20:49:37
x){}Klꆊ
@\l6WUTZ>1B1y~곍MOwU] &⌞jy6
{lig~
ݎd 7{8gv>_b3,SikgZmQX@:^lN'Lyv%`9[HM D!PBj'H<&aQoaok@QQ67Cr>;VPm@CɎ]@i6<;Pl 2n
已知实数x y z满足x/(x+1)=y/(y+2)=z/(z+3)=(x+y+z)/3,求x+y+z的值
已知实数x y z满足x/(x+1)=y/(y+2)=z/(z+3)=(x+y+z)/3,求x+y+z的值
已知实数x,y,z满足x+y+z=2根号x-1+2根号y-1+2根号z-1求X+2Y+3Z
已知实数xyz满足x/(x+1)=y/(y+2)=z/(z+3)=(x+y+z)/3求x+y+z的值
已知实数x,y,z满足关系式2x-3y-z=0,x-2y+z=0,求x比y比z的值
已知三个实数x,y,z满足条件(z-x)^2-4(x-y)(y-z)=0,求证:x,y,z成等差数列
已知实数 x y z 满足x+y-z=0 ,3x-y+2z=0 则x :y :z
已知非负实数x,y,z满足x+y+z=3 (2),求证x^2/(1+x^4)+y^2/(1+y^4)+z^2/(1+z^4)≤1/(1+x)+1/(1+y)+1/(1+z)
已知实数x,y,z满足2|x-y|+√2y+z+z2-z+1/4=0求x+y+z的值
已知实数x,y,z,满足x+y=4及xy=z^2+4,求x+2y+3z的值求教啊
已知实数x,y,z满足x+y=4及xy=z²+4,求x+2y+3z的值
已知实数x,y,z满足x=6-y,z^2-4z+4=xy-9,求x,y,z的值
已知实数x,y,z满足x=6-y,z^2-4z+4=xy-9,求x,y,z的值.
已知实数x,y,z,满足那么x+y=6,z^2=xy-9,求(x+y)^z
已知实数x,y,z满足x+y+z=1,x^2+y^2+z^2=1/2求X,Y,Z∈{0,2/3},已知实数x,y,z满足x+y+z=1,x^2+y^2+z^2=1/2求证X,Y,Z∈{0,2/3},
已知实数x,y,z,满足x²+4y²+根号-z²=2x+4y-2,求x+2y-z的平方
已知实数x,y,z满足:|4x-4y+1| + 1/3根号2y+z +z的平方- z + 1/4 = 0,求(y+z)乘x平方 的值.:(1)(2)(3)(4)
已知实数x,y,z满足|4x-4y+1|+1/3√2y+z+z^2-z+1/4=0.求(y+z)*x^2的值.