Multiple Choice Questions on The HCF and LCM of two polynomials are x y and 3x5 5x4 y 2x3 xy2 ndash 3x2 xy3 ndash 5xy4 ndash 2y5 ........... for CDS Exam Preparation

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Multiple Choice Questions

The HCF and LCM of two polynomials are x y and 3x5 5x4 y 2x3 xy2 ndash 3x2 xy3 ndash 5xy4 ndash 2y5 ...........

Quantitative Aptitude (CDS) LCM, HCF
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    The HCF and LCM of two polynomials are (x + y) and (3x5 + 5x4 y + 2x3 xy2 – 3x2 xy3 – 5xy4 –2y5) respectively. If one of the polynomials is (x2 – y2),

    then the other polynomial is

    3x4 –8x3y+10x2 y2 +7xy3 –2y4

    Incorrect Answer

     3x4 – 8x3 y – 10x2 y2 + 7xy3 + 2y4

    Incorrect Answer

     3x4 + 8x3y+10x2y2 + 7xy3 +2y4

    Correct Answer

     3x4 + 8x3 y – 10x2 y2+ 7xy3 + 2y4

    Incorrect Answer
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    Explanation:

    HCF × LCM = 1st polynomial × 2nd polynomial
    ⇒ 2ND polynomial =HCF ×LCM/1st Polynomial
    = 3x4 + 8x3y + 10x2 y2 + 7xy3 + 2y4

    By: Munesh Kumari
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