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Calculus

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If d/dx(f(3x^5))=9x^4
Find f'(x)

  • Calculus -

    nvm it's 3/5

  • Calculus -

    say d/dx (g) = 9 x^4
    then g = (9/5)x^5 + constant
    so
    f(3x^5) = (9/5) (3x^5)^5 + constant
    f(x) = (9/5) x^5 + c
    f'(x) = 9x

  • Calculus -

    I mean 9 x^4

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