The Total solution for NCERT class 6-12
Given quadratic equation,
x2 + 3 = 0
On comparing it with ax2 + bx + c =0, we have
a =1, b =0, and c =3
So, the discriminant of the given equation will be
D = b2 –4ac =02 – 4 × 1 × 3 = –12
Hence, the required solutions are: