Multiple Choice Questions on Find the value of lambda for which the three quadratic equations 2x sup2 5x 2 0 6x sup2 7x 2 0 amp 2........... for CDS Exam Preparation

Back to Main Page

Multiple Choice Questions

Find the value of lambda for which the three quadratic equations 2x sup2 5x 2 0 6x sup2 7x 2 0 amp 2...........

Quantitative Aptitude (CDS) Quadratic Equations
    Download Solution PDF

    Find the value of λ for which the three quadratic equations 2x²-5x+2=0,6x²-7x+2=0 & (2λ-6)x²+4λx+(λ-1)=0 have a common root. 

    7/5

    Incorrect Answer

    5/7

    Correct Answer

    3/7 

    Incorrect Answer

    3/5

    Incorrect Answer
    छोटे Courses बड़े Results
    Master Quadratic Equations
    Prepare through Micro-courses
    Try Now
    Explanation:

    equation 2x²-5x+2=0 and 6x²-7x+2=0 has a common root = ½ 
    put ½ in equation third we get λ = 5/7

    By: bhavesh kumar singh
    ProfileResources

    Let's Discuss

    Master
    Quadratic Equations
    With abhipedia
    Micro Courses
    Try Now
    What our students have to say
    Review on us
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free