Q. 225.0( 2 Votes )

# Mark the Correct alternative in the following:

If the difference of the roots of is unity, then

A.

B.

C.

D.

Answer :

Difference of the roots

1

1

p^{2} – 4q = 1

p^{2} – 4q + 4q^{2} – 4q^{2} = 1

p^{2} + 4q^{2} = 1 + 2(2)(q) + (2q)^{2}

p^{2} + 4q^{2} = (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 Expertsview all courses

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation

RELATED QUESTIONS :

–x^{2} + x – 2 = 0

Solve the following quadratic equations by factorization method:

x^{2} + (1 – 2i)x – 2i = 0

Solve the following quadratics

Solve:

Solve the following quadratic equations by factorization method:

6x^{2} – 17ix – 12 = 0

Solve the following quadratic equations:

x^{2} + 4ix – 4 = 0

Solve the following quadratic equations:

x^{2} – x + (1 + i) = 0

Solve the following quadratic equations:

x^{2} – (2 + i)x – (1 – 7i) = 0

Solve the following quadratic equations:

ix^{2} – x + 12i = 0