Multiple Choice Questions on If x 1 x 2 and x is real then the value of x17 1 x19 is ........ for SSC CHSL Preparation

Back to Main Page

Multiple Choice Questions

If x 1 x 2 and x is real then the value of x17 1 x19 is ........

Quantitative Aptitude (CHSL) Algebra
    Download Solution PDF

    If x + 1/x = 2 and x is real, then the value of x17 + 1/x19 is

    1

    Incorrect Answer

    0

    Incorrect Answer

    2

    Correct Answer

    -2

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

    Given, x + 1/x + 2
    ⇒ x2 + 1 = 2x
    ⇒ x2 + 1 – 2x = 0
    ⇒ x2 – 2x + 1 = 0  
    ⇒  (x – 1)2 = 0  
    ⇒  x = 1
    ∴ x17 + 1/x19 = 1 + 1 = 2

    By: Amit Kumar
    ProfileResources

    Next

    Let's Discuss

    Master
    Algebra
    With abhipedia
    Micro Courses
    Try Now
    Explore Micro-Courses
    Syllogism
    Coding & Decoding
    Data Sufficiency
    Blood Relation
    Direction Sense
    Puzzle Test
    Logical Venn Diagrams
    Arithmetical Reasoning
    Statement - Arguments
    Statement - Assumptions
    Statement - Courses of Action
    Statement - Conclusions
    Classification
    Coded inequality
    Number series
    Ranking and ordering
    logical alphabets
    Input-Output
    Sitting Arrangement
    Alpha-Numeric Series
    Similarities and Differences
    Word formation
    Arthemetic Operations
    Statement and Infrence
    Tabulation
    arrangement and pattern
    View All
    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