若x-y-2√x+y+4是x+y+4的算术平方根,其值为6,求x、y的值

问题描述:

若x-y-2√x+y+4是x+y+4的算术平方根,其值为6,求x、y的值
Thank you very much

依题得X-Y-2=1 X+Y+4=36两式相加得2X=35 X=17.5 代入得Y=14.5