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    Question

    If (a2 + 1/a2) = 51, then find

    the value of (a3 - 1/a3).
    A 364 Correct Answer Incorrect Answer
    B 350 Correct Answer Incorrect Answer
    C 343 Correct Answer Incorrect Answer
    D 322 Correct Answer Incorrect Answer

    Solution

    Since, (a2 + 1/a2) = 51 So, a - 1/a = тИЪ {51 - 2} = 7 So, (a3 - 1/a3) = 73 + 3 * 7 = 343 + 21 = 364

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