if quadratic equation `x^2+2(a+2b)x+(2a+b-1)=0` has unequal real roots for all `b in R` then the possible values of a can be equal to

If a x^2+(b-c)x+a-b-c=0 has unequal real roots for all c in R ,then

If a x^2+(b-c)x+a-b-c=0 has unequal real roots for all c in R ,then

If a x^2+(b-c)x+a-b-c=0 has unequal real roots for all c in R , then

If ax^(2)+(b-c)x+a-b-c=0 has unequal real roots for all c in R,then

If a x^2+(b-c)x+a-b-c=0 has unequal real roots for all c in R ,t h e n

If a x^2+(b-c)x+a-b-c=0 has unequal real roots for all c in R ,t h e n b a >0

If a,b in R and the equation x^(2)+(a-b)x+1-a-b=0 has unequal roots for all b in R then a can be

If ax^(2)+(b-c)x+a-b-c=0 has unequal real roots for all c epsilon R , then (i) b a > 0

If the equation x^(2)+4+3sin(ax+b)-2x=0 has at least one real solution, where a,b in [0,2pi] then one possible value of (a+b) can be equal to