已知实数a、b满足条件a2-5a+2=0,b2-5b+2=0,则ab+ba= ___ .
已知实数a,b满足条件a2-7a+2=0,b2-7b+2=0(a≠b),则ba+ab
a、b为实数,且满足a>b>0,a2+b2=4ab,则a-ba+b的值等于 ___ .
已知实数a、b满足等式a2-2a-1=0,b2-2b-1=0,则ba+ab
已知两实数ab满足条件a2-3ab+2b2=0,求a比b的值
已知实数a,b满足方程(a2+b2+5)(a2+b2-5)=0,则a2+b2=______
若实数a,b满足a2+a-1=0,b2+b-1=0,则ab+ba
已知实数a,b满足等式a2-2a-1=0,b2-2b-1=0,则1a+1b的值是 ___ .
已知两实数,a,b满足条件a2-3ab+2b2=0,求a:b的值 字母后面的2为平方
已知a、b实数且满足(a2+b2)2-(a2+b2)-6=0,则a2+b2的值为______.
若非零实数a、b满足4a2+b2=4ab,则ba等于( )
已知实数a.b满足下列关系a2-5a+2=0,2b2-5b+1=o求(ab+1)/b的值
若实数a,b满足条件(a/b)+(b/a)=2,求(a2+ab+b2)/(a2+4ab+b2)的值