130 views
If both $a$ and $b$ belong to the set $\{1,2,3,4\}$, then the number of equations of the form $ax^2+bx+1=0$ having real roots is _______

1 vote
1 answer
1
313 views
0 votes
0 answers
2
196 views
1 vote
1 answer
3
187 views
0 votes
0 answers
4
1 vote
1 answer
5
232 views