Question

    If (x + y) = 40, then find the value of (x -

    15)5 + (y - 25)5.
    A 2 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer

    Solution

    Since, (x + y) = 40 So, x = (40 - y) So, (x - 15)5 + (y - 25)5 = (40 - y - 15)5 + (y - 25)5 = (25 - y)5 + (y - 25)5 = (25 - y)5 - (25 - y)5 = 0

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