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7th Class Mental Ability Algebraic Expressions Question Bank Algebraic Expresions

  • question_answer
    Find the value of \[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}-xy-zy-zx\] when \[x=-3,\text{ }y=4\]and \[z=-2\].

    A)  75                  

    B)                   68                              

    C)                   43                              

    D)                   54                  

    Correct Answer: C

    Solution :

    Not Available


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