CBSE Tutorials

Nature of Roots of a Quadratic Equation     In previous section, we have studied that the roots of the equation are given by          A quadratic equation has ·    Two distinct real roots if .     If we get two distinct real roots and ·    Two equal roots, if .     If then             i.e.                 So, the roots are both ·    No…

Solution of a Quadratic Equation by Completing the Square       Following steps are involved in solving a quadratic equation by quadratic formula         ·    Consider the equation , where a ¹ 0         ·    Dividing throughout by ‘a’, we get                      ·    Add and subtract , we get             ,                      ·    If taking square root of both sides, we obtain             …