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Math Help - help with the layout of a partial fraction

  1. #1
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    help with the layout of a partial fraction

    Can somebody Please tell how to put 1 / s^2(s + 1)^2 into the form

    1 = A(?) + B(?) + C(?) + D(?)



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  2. #2
    Junior Member RHandford's Avatar
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    Hi

    Start by expanding the denominator
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  3. #3
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    I put it into the 4 parts but not sure what goes with what.

    A/S + B/S^2 + C/S+1 + D(S+1)^2
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  4. #4
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    Quote Originally Posted by hunterage2000 View Post
    I put it into the 4 parts but not sure what goes with what.

    A/S + B/S^2 + C/S+1 + D(S+1)^2
    That is correct.

    I suggest you now review examples in your class notes and textbook.
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