L1 := (1/2)*(S+sqrt(S^2+4*a*b))/b;
L2 := (1/2)*(S-sqrt(S^2+4*a*b))/b;
Here is my question.
Now plotting L1, L2
a:=1:b:=1: # say
Is there a way to utilize the conditions which we can get through solve and use it while plotting (not 3d plotting) for any given choice of the values of a, b, S?