已知数a满足a+a2+3a=0,求|a-1|+|a+1|.

问题描述:

已知数a满足a+

a2
+
3 a
=0,求|a-1|+|a+1|.

数a满足a+

a2
+
3 a
=0,
a=0,
|a-1|+|a+1|=1+1=2.