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    Use the substitution u^2 = x+1 to evaluate

    INT[X^2/√(X+1)]dx
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    Hi! i've moved this into the Maths forum for you - hopefully someone will be able to help you out here
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    (Original post by Ola2898)
    Use the substitution u^2 = x+1 to evaluate

    INT[X^2/√(X+1)]dx
    So substitute it in.
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    (Original post by Ola2898)
    Use the substitution u^2 = x+1 to evaluate

    INT[X^2/√(X+1)]dx
    Could you post your working so we can see where you are stuck?
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    use (u^2 - 1)^2=x^2

    also 2udu/dx=1 so dx=2u du
 
 
 
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