7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-1

  • question_answer
    Expand: \[{{(4a-3b)}^{3}}\]

    A)  \[64\,{{a}^{3}}+27\,{{b}^{3}}-144\,{{a}^{2}}b+108\,a{{b}^{2}}\]

    B)  \[64\,{{a}^{3}}-27\,{{b}^{3}}+144\,{{a}^{2}}b-108\,a{{b}^{2}}\]

    C)  \[64\,{{a}^{3}}-27\,{{b}^{3}}-144\,{{a}^{2}}b+108\,a{{b}^{2}}\]

    D)  \[64\,{{a}^{3}}-27\,{{b}^{3}}+144\,{{a}^{2}}b+108\,a{{b}^{2}}\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available


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