Q. 4
Mark the Correct alternative in the following:
If α, β are roots of the equation 
, then 1/α + 1/β is equal to
A. 7/3
B. −7/3
C. 3/7
D. −3/7
Answer :
given 4x2+ 3x + 7 = 0
We know sum of the roots = 
Product of the roots = 
As given that α and β are roots then,
given 
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 Equations-0252 mins
Interactive Quiz on Quadratic Equations73 mins
1 Hour- 1 Chapter | Quadratic Equations61 mins
Challenging Quiz on Quadratic Equations | Test Yourself55 mins
Relationship b/w coefficients & roots | Quadratic Equation42 mins
Practise Questions General Solution of Trigonometric Equations with RHS as 0, 1 or -133 mins
How to find General Solution of Trigonometric Equations with RHS as 0, 1 or -136 mins
Parametric Equations of Straight line48 mins
Interactive Quiz on Equations & inequations63 mins
Various Forms of Equations of line45 mins
Interactive Quiz on Quadratic Equations-0252 minsInteractive Quiz on Quadratic Equations73 mins1 Hour- 1 Chapter | Quadratic Equations61 minsChallenging Quiz on Quadratic Equations | Test Yourself55 minsRelationship b/w coefficients & roots | Quadratic Equation42 minsPractise Questions General Solution of Trigonometric Equations with RHS as 0, 1 or -133 minsHow to find General Solution of Trigonometric Equations with RHS as 0, 1 or -136 minsParametric Equations of Straight line48 minsInteractive Quiz on Equations & inequations63 minsVarious Forms of Equations of line45 minsTry our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
RELATED QUESTIONS :
–x2 + x – 2 = 0
RD Sharma - MathematicsSolve the following quadratic equations by factorization method:
x2 + (1 – 2i)x – 2i = 0
RD Sharma - MathematicsSolve the following quadratics
Solve:
Solve the following quadratic equations:
Solve the following quadratic equations by factorization method:
6x2 – 17ix – 12 = 0
RD Sharma - MathematicsSolve the following quadratic equations:
x2 + 4ix – 4 = 0
RD Sharma - MathematicsSolve the following quadratic equations:
x2 – x + (1 + i) = 0
RD Sharma - MathematicsSolve the following quadratic equations:
x2 – (2 + i)x – (1 – 7i) = 0
RD Sharma - MathematicsSolve the following quadratic equations:
ix2 – x + 12i = 0
RD Sharma - Mathematics