已知x--4√xy +4y=0(x大于0,y大于0),求4x+y÷√xy(1)(-2)^2+1^2_____2*(-2)*1 (2)(√3)^2+(√6)^2_______2*√3*√6(3)(√2)^2+0^2_______2*√2*0 (4)(√5)^2+(√5)^2_____2*√5*√5通过观察归纳,你发现了什么规律,请用代
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 07:42:45
![已知x--4√xy +4y=0(x大于0,y大于0),求4x+y÷√xy(1)(-2)^2+1^2_____2*(-2)*1 (2)(√3)^2+(√6)^2_______2*√3*√6(3)(√2)^2+0^2_______2*√2*0 (4)(√5)^2+(√5)^2_____2*√5*√5通过观察归纳,你发现了什么规律,请用代](/uploads/image/z/13378526-62-6.jpg?t=%E5%B7%B2%E7%9F%A5x--4%E2%88%9Axy+%2B4y%3D0%28x%E5%A4%A7%E4%BA%8E0%2Cy%E5%A4%A7%E4%BA%8E0%29%2C%E6%B1%824x%2By%C3%B7%E2%88%9Axy%281%29%28-2%29%5E2%2B1%5E2_____2%2A%28-2%29%2A1+%282%29%28%E2%88%9A3%29%5E2%2B%EF%BC%88%E2%88%9A6%EF%BC%89%5E2_______2%2A%E2%88%9A3%2A%E2%88%9A6%283%29%28%E2%88%9A2%29%5E2%2B0%5E2_______2%2A%E2%88%9A2%2A0+%284%29%28%E2%88%9A5%29%5E2%2B%28%E2%88%9A5%29%5E2_____2%2A%E2%88%9A5%2A%E2%88%9A5%E9%80%9A%E8%BF%87%E8%A7%82%E5%AF%9F%E5%BD%92%E7%BA%B3%EF%BC%8C%E4%BD%A0%E5%8F%91%E7%8E%B0%E4%BA%86%E4%BB%80%E4%B9%88%E8%A7%84%E5%BE%8B%EF%BC%8C%E8%AF%B7%E7%94%A8%E4%BB%A3)
已知x--4√xy +4y=0(x大于0,y大于0),求4x+y÷√xy(1)(-2)^2+1^2_____2*(-2)*1 (2)(√3)^2+(√6)^2_______2*√3*√6(3)(√2)^2+0^2_______2*√2*0 (4)(√5)^2+(√5)^2_____2*√5*√5通过观察归纳,你发现了什么规律,请用代
已知x--4√xy +4y=0(x大于0,y大于0),求4x+y÷√xy
(1)(-2)^2+1^2_____2*(-2)*1 (2)(√3)^2+(√6)^2_______2*√3*√6
(3)(√2)^2+0^2_______2*√2*0 (4)(√5)^2+(√5)^2_____2*√5*√5
通过观察归纳,你发现了什么规律,请用代数式表示这个规律,并选一组数据验证你的发现
已知x--4√xy +4y=0(x大于0,y大于0),求4x+y÷√xy(1)(-2)^2+1^2_____2*(-2)*1 (2)(√3)^2+(√6)^2_______2*√3*√6(3)(√2)^2+0^2_______2*√2*0 (4)(√5)^2+(√5)^2_____2*√5*√5通过观察归纳,你发现了什么规律,请用代
x-4√xy +4y=0
(√x-2√y)^2=0
√x=2√y
x=4y
(4x+y)÷√xy
=(4*4y+y)÷√(4y*y)
=17y÷2y
=17/2
已知xy大于0求证xy+1/xy+y/x+x/y大于等于4
已知x大于0,y大于0,且4xy-x-2y=0则xy的最小值是
已知x大于0,y大于0,且4xy-x-2y=4则xy的最小值是
已知2X-3√xy-2y=0(x>0)求2x²+xy-9y²分之x²+4xy-16y²的值 x大于0
已知x大于0,y大于0,x+y=8,则xy的最大值是
已知x>0,y>0,4x^2+y^2+xy=1求2x+y最大值注意条件x,y都大于0,
已知x大于0,y大于0,且x加4y等于1,求xy的最大值
已知x大于0,y大于0,x+y=4,求xy的最大值亲,要用四种方法解,
.若 2Y+4X=XY(X大于0,Y大于0),则XY 的最小值为___________;
已知xy>0,证明xy+xy/1+x/y+y/x>=4
X大于0,Y大于0,知XY-4X-Y=0,求X+Y的最小值
已知x大于0,y大于0,且x+2y+xy=30,求xy的最大值
已知x小于0小于z,xy=0,且|y|大于|z|大于|x|
已知X大于0,Y大于0,且XY-9X-Y=0,则X+Y的最小值为
已知 X大于0,Y大于0,且X-根号XY-2Y=0,求2X-根号XY除以Y+2根号XY的值
已知x大于0 y大于0 且x+6y=5根号xy 求x+根号xy+2y分之2x+根号xy-y的值已知x大于0 y大于0 且x+6y=5根号xy求x+根号xy+2y分之2x+根号xy-y的值
x大于0,y大于0,x不等于y,且x+y=(x^2)+(y^2)+xy,求证1小于x+y小于4/3
已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值?