If the roots of the quadratic equation ax^2 + bx + c = 0 are equal roots thwn show that b^2 = 4ac

If the roots of the quadratic equation ax^2 + bx + c = 0 are equal roo

1.	If the roots of the quadratic equation ax^2 + bx + c = 0 are equal roots thwn show that b^2 = 4ac
Answer» Here given that roots are equal so D or discriminent will 0. hence b^2-4ac=o and b^2=4ac