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8th Class Mental Ability Algebraic Expressions Question Bank Algebraic Identities

  • question_answer
    Find the value of \[25{{x}^{2}}+10xy-{{y}^{2}},\] when \[x=4\]and \[y=1.\]

    A)  400                

    B)       440                

    C)       439                

    D)       441                

    Correct Answer: C

    Solution :

    Not Available


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