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Math(Please help)

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Determine the integral by making an appropriate substitution

integral of 8x cuberoot srqt(4x^2-9) dx

let u= 4x^2-9
du= 8x dx

I do not know what to do now

  • Math(Please Clarify) -

    So is it
    "cuberoot" or "srqt" or both?
    and is the 8x in the denominator, or is it "8 multiply..."?

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