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? asked in Science & MathematicsMathematics · 10 years ago

how do you take the derivative of x^(1/5)?

please.. im confused. i know i needa subtract 1 from 1/5 and from there im lost on the fractions.

3 Answers

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  • M
    Lv 6
    10 years ago
    Favorite Answer

    f(x) = x^(1/5)

    f'(x) = 1/5 * x^(1/5 -1)

    f'(x) = 1/5 * x^(-4/5)

    f'(x) = 1/5 / x^(4/5)

    Hope this is clear!

  • Ray
    Lv 7
    10 years ago

    (1/5) - 1 is the same as (1/5) - (5/5) = - (4/5)

  • Abhishek
    Lv 4
    10 years ago

    d/dx of x^(1/5)= (1/5)*x^((1/5)-1)

    =(1/5)*x^(-4/5)

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