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  • Perplex
    IB Math AAHL
    /
    Maclaurin
    /

    Problem Bank

    [Maximum mark: 8]

    Let ​f(x)=ln(1+x)sin(2x).

    1. Find the first three non-zero terms in the Maclaurin expansion of ​f(x).

      [4]

      To earn a crown, get your answer ready before you reveal the options!

    It is given that ​x→0lim​3k2x4f(x)+x3−2x2​=−2.

    1. Find the possible value(s) of ​k.

      [4]

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