use substitution but it doesnt seem right. where did i go wrong? thanks.
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Seems good to me. But is difficult to get . May be more simple is
Looks wrong to me. http://www.wolframalpha.com/input/?i=intg+%28x%29%2F%28x^2%2B4x%29^0.5+0+to+1 this gives 0.311 this gives 0.350 someone help? thanks
Please look here integrate (2*cosh x -2)dx from x=0 to 0.96242 - Wolfram|Alpha
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