Multiple Choice Questions on If x2 3x 1 0 then what is the value of x2 1 x2 ........ for NDA Exam Preparation

Back to Main Page

Multiple Choice Questions

If x2 3x 1 0 then what is the value of x2 1 x2 ........

Mathematics (NDA) Algebra
    Download Solution PDF

    If x2-3x + 1= 0 then what is the value of (x2+ 1/x2)

    3

    Incorrect Answer

    5

    Incorrect Answer

    7

    Correct Answer

    9

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

    x2-3x + 1= 0
    or x2+ 1= 3x
    or x+1/x= 3
    on squaring both sides
    (x+1/x)2=9
    (x2+ 1/x2)=9-2=7

    By: MIRZA SADDAM HUSSAIN
    ProfileResources

    Next

    Let's Discuss

    Master
    Algebra
    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