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    Mathematics A-Level

    The natural exponential base e

    What The natural exponential base e means in Mathematics A-Level, as defined for AQA.

    Definition of The natural exponential base e

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    The base e≈2.718 is defined so that the gradient of e^x at x=0 is exactly 1, giving the self-derivative property.
    AQA · F: Exponentials and logarithms (study guide)

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