若x、y满足x2+2y2-2xy-2y+1=0,求xy的值.
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 12:07:23
x){ѽqCc_l\amTikTQkTmhklcSEY-O$铦AΆ;Xtgv>,o=ҨЭT+.-0֨5m
MT5d
W*tk<]l:<;+kz
已知x.y满足X2-y2=2xy.则x-y/x+y=?x.
整数x,y满足x2-y2=2xy,求x-y/x+y的值
正整数x,y满足x2-y2=2xy,求x-y/x+y的值
若x,y,z满足x2+2y2+z2≤2xy-2y+4Z,求x,y,z
若x、y满足x2+2y2-2xy-2y+1=0,求xy的值.
若x、y满足x2+2y2-2xy-2y+1=0,求xy的值.
若实数XY满足X2+Y2=1,则X-2Y的最大值为
x,y满足x2+2xy+3y2=2,x+2y的范围
已知实数x、y满足2x2-7xy+3y2=0,求x:y
若实数x,y满足x2+y2+x2y2-4xy+1=0,则(x+y)2的值为
计算(x+y/x-y + 4xy/y2-x2)(x2-9y2)/(x2+2xy-3y2)
已知非零实数x,y满足:x2+xy-2y2=0,求(x2+3y+y2)/(x2+y2)的值
4x2-y2/x2-2xy+y2 +(2x-y)/2x2-2xy
已知xy满足x2+y2-6x+2y+10=0,求立方根号x2-y2的值
正数xy满足x2-y2=2xy,求x+y分之x-y的值2是平方,
已知实数x、y满足X2+y2-xy+2x-y+1=0,试求x、y的值
已知实数x,y满足(x2)+(y2)-xy+2x-y+1=0,求x,y的值
已知实数x、y满足X2+y2-xy+2x-y+1=0,试求x、y的值