Question

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    A 3 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 1 Correct Answer Incorrect Answer

    Solution

    RHS can be written as After comparing LHS with the questions Then x = 2, y = 1, z = 5 Substituting the value of x, y and z in (x + 4y - z) (2) + 4(1) – 5 (2) + 5 – 5 = 2

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