Multiple Choice Questions on If a2 a 1 0 then the value of a9 is ........ for SSC (CPO) Exam Preparation

Back to Main Page

Multiple Choice Questions

If a2 a 1 0 then the value of a9 is ........

Quantitative Aptitude (CPO) Algebra
    Sign in with Google
    Download Solution PDF

    If a2 + a + 1 = 0, then the value of a9 is

    2

    Incorrect Answer

    3

    Incorrect Answer

    1

    Correct Answer

    0

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

    a2 + a + 1 = 0
    Both sides multiplied by (a – 1)
    ⇒ (a – 1)(a2 + a + 1) = 0
    ⇒ a3 – 1 = 0
    ⇒ a = 1
    ∴    a9 = 1

    Next

    Let's Discuss

    Want Exam specific Multiple Choice Questions on Coding & Decoding Choose below
    Master
    Algebra
    With abhipedia
    Micro Courses
    Try Now
    Explore Micro-Courses
    Sentence Completion
    Error correction
    Cloze test
    Word Building (Antonyms & Synonyms)
    Subject-Verb Agreement
    Nouns
    Pronouns
    Adjective
    Adverbs
    Verb
    Articles
    Conditional Sentences
    Modals
    Conjunctions
    Tenses
    Parajumbles
    Paragraph Completion
    Fill in the blanks
    Sentence Improvement
    Phrasal Verbs
    Word Usage
    Idiom & Phrases
    Active/Passive voice
    Direct/Indirect speech
    Preposition
    Reading comprehension (P)
    View All
    What our students have to say
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free