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Math Help - Partial Fraction - Help check my solution

  1. #1
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    Partial Fraction - Help check my solution

    F(z) = z/[(z-1)(z-0.9)]

    My solution: z/[(z-1)(z-0.9)] = 10z/(z-1) - 9z/(z-0.9)

    Will anyone check my solution?
    I ask because my teacher found A to be 10, while B was -10.
    However, I came out with A being 10, with B being -9.
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  2. #2
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    Re: Partial Fraction - Help check my solution

    Quote Originally Posted by gcdc14 View Post
    F(z) = z/[(z-1)(z-0.9)]

    My solution: z/[(z-1)(z-0.9)] = 10z/(z-1) - 9z/(z-0.9)

    Will anyone check my solution?
    I ask because my teacher found A to be 10, while B was -10.
    However, I came out with A being 10, with B being -9.
    You can check your answer yourself simply by re-writing it over a common denominator.
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