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  3. 9th Class
  4. Mathematics

9th Class Mathematics Sample Paper Mathematics Sample Paper-2

  • question_answer
    Factorise: \[{{(a-b)}^{3}}+{{(b-c)}^{3}}+{{(c-a)}^{3}}\]

    A) \[3(a+b)(a+c)+(c-a)\]

    B) \[3(a-b)(b-c)(c+a)\]

    C) \[3(a-b)(b+c)(c+a)\]

    D) \[3(a-b)(b-c)(c-a)\]

    E) None of these

    Correct Answer: D

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