What are non real roots according to NCERT solutions for Class 10 Maths exercise 4.3 ?
There are three ways to categorise discriminant: 9I) two distinct real roots, if (b 2 - 4ac)> 0; (ii) two equal real roots, if b 2 - 4ac)= 0; (iii) no real roots, if (b 2 - 4ac)=0