Mark the correct alternative in the following:
There are two values of a which makes the determinant 
equal to 86. The sum of these two values is
Sum of roots = 
[b=1and a=1]
Sum of roots= -4
1
Mark the correct alternative in the following:
There are two values of a which makes the determinant equal to 86. The sum of these two values is
Sum of roots = [b=1and a=1]
Sum of roots= -4