Question

for what value of M the roots of the equation X square - x + m=0 are not real

Answer 1

If b^2-4ac<0 then real roots are not possible....
In this case a=1,b=-1 & c=m...
Not according to b^2 - 4ac...
(-1)^2 - 4(1)(m)<0, implies 1-4m<0, implies m>1/4 it is the require condition.....