Question

For which values of p does the following equation has equal roots?

2x2

-px+8=0​

Answer 1

Step-by-step explanation:

In the question discriminant will be 0 as the equation has real & equal roots. By Zero Product Rule, value of p is 0 or 4. As p is also with x² , it can't be 0 because if it is 0 , given equation can't be a quadratic equation. Therefore, value of p is 4.