# Mark the Correct alternative in the following:If the difference of the roots of is unity, thenA. B. C. D. Difference of the roots 1 1 p2 – 4q = 1

p2 – 4q + 4q2 – 4q2 = 1

p2 + 4q2 = 1 + 2(2)(q) + (2q)2

p2 + 4q2 = (1 + 2q)2

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos  Interactive Quiz on Quadratic Equations73 mins  Interactive Quiz on Quadratic Equations-0252 mins  1 Hour- 1 Chapter | Quadratic Equations61 mins  Challenging Quiz on Quadratic Equations | Test Yourself55 mins  Relationship b/w coefficients & roots | Quadratic Equation42 mins  Interactive Quiz on Equations & inequations63 mins  Parametric Equations of Straight line48 mins  Various Forms of Equations of line45 mins  Equations Of Motion from Calculus Method46 mins  Interactive Quiz on trigonometric identities & equations52 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation view all courses 