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Math Help - Integration by Substitution Help

  1. #1
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    Integration by Substitution Help

    Let .
    (a) Evaluate the integral by making a change of variables using hyperbolic functions. Hence evaluate


    (b) Express in terms of exponentials. Solve for and hence express as .
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  2. #2
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    Quote Originally Posted by chav86 View Post
    Let .
    (a) Evaluate the integral by making a change of variables using hyperbolic functions. Hence evaluate


    (b) Express in terms of exponentials. Solve for and hence express as .
    Please show what you've done so far and where you get stuck.
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