若a2-3a+1=0,则a
若a2-3a+1=0,求a2+a2/1的值
若实数a满足a2-2a-1=0,则3a2-6a+5=______.
若a2-3a=-1,则3a3-9a2+4a+(3/a2+1)=?
已知a2+3a+1=0 求 1+1/a a2+1/a2
若3a2-a-2=0,则5+2a-6a2=______.
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
=IF(COUNTIF($A$1:A2,A2)>0,COUNTIF($A$1:A2,A2))
若实数a满足a2-2a+1=0,则2a2-4a+5=______.
已知a2 3a 1=0求a 1/a;a2 1/a2;a4 1/a4
若根号(a2-3a+1)+b2+2b+1,则a2+1/a2-绝对值b=是多少
已知集合A={a2,a+1,-3} B={a-3,2a-1,a2+1},若A∩B={-3},则实数a=_________
若a2+a-1=0,则a3+2a2+2013=______.