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    Question

    Find the coefficient of x⁴ in (2x –

    3/x)⁶.
    A 525 Correct Answer Incorrect Answer
    B 625 Correct Answer Incorrect Answer
    C 725 Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    General term gives exponent = 6 – 2k Set 6 – 2k = 4 → k=1 Coefficient = C6,1 × 2⁵ × (–3) = –576

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