已知实数x y满足:x^+y^-6x+2y+10=0,求x^-y^的立方根的值急

来源：学生作业帮助网 编辑：作业帮 时间：2024/07/14 17:37:38
已知实数x y满足:x^+y^-6x+2y+10=0,求x^-y^的立方根的值急
x){}Kl gض٪"N2N׬BۨR@Ʀ8ʸZ~6m; {5,I*ҧ ) lg3WYkWBh$O'L8Yӳysj_4럶|c=4*t5iuC@'<؊$sBԱIF.Lif:~dRu5)u]D.eakg_\g OY=@

已知实数x y满足:x^+y^-6x+2y+10=0,求x^-y^的立方根的值急
已知实数x y满足:x^+y^-6x+2y+10=0,求x^-y^的立方根的值
急

已知实数x y满足:x^+y^-6x+2y+10=0,求x^-y^的立方根的值急
是x²+y²-6x+2y+10=0吗?
如果是的话,方程可写为：(x-3)²+(y+1)²=0,∵(x-3)²≥0,(y+1)²≥0,∴(x-3)²=(y-1)²=0,即：x=3,y=-1；所以x²-y²=9-1=8,即³√(x²-y²)=³√8=2.

已知实数x,y满足x-y 已知实数X,Y满足{|x+y| 已知实数X,Y满足2 已知实数xy满足x+2y 已知实数xy满足 x+y-2 已知实数x.y满足(x+2)^2+y^2( 已知实数x,y满足：y 已知实数x,y满足2x+5y>=10;2x-3y>-6;2x+y 已知实数x, y满足x²+y²-2x+6y+10=0,求y∧-x. 已知实数x,y满足约束条件x+y>3,y 已知实数x满足x^2+2xy+y^2-(x+y)-6=0则x+y的值 已知实数x、y满足x²+y²+4x-6y+13=0 已知实数x,y满足不等式组：2x-y=0,x+2y 已知实数x,y满足约束条件:x>=2 y>=2 x+y 已知实数x,y满足x+y>=2,x-y 已知实数X,Y满足X+Y>=2,X-Y 已知实数x,y满足y=|x-1|,则x+2y的最大值是 已知实数x,y满足x+y>=2,x-y