已知实数a满足a2+2a-15=0,求1a+1
已知实数a满足a2+2a-15=0,求1a+1
已知实数a满足a2+2a-1=0求(1 /a+1)-(a+3/a2-1)*(a2-2a+1/a2+4a+3)的值
已知实数a满足a2-a-1=0,求a8+7a-4的值
已知实数a满足a2+2a-8=0,则1a+1−a+3a
已知实数a、b满足a2-2a=1,b2-2b=1 ,求 的值.
已知实数a,b满足 a2+b2=ab+a+b-1,求a+b的值.
已知实数 满足:a2-2a-5=0,5b2+2b-1=0,求a2+1/b2的值
已知实数a满足绝对值a-1+根号a-2=a,求a的值
已知实数ab满足1/a2+1/a-1=0和b^2+b-1=0 且ab不等于1 a不等于b 求代数值
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满足a2-2a+1=0,则2a2-4a+5=______.
若实数a满足a2-2a-1=0,则3a2-6a+5=______.