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Math Help - single fraction

  1. #1
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    single fraction

    please guys help

    express as a single fraction (1/x)-(2/x-2)+(x-1/x^2+1)

    and (x+1/x^2+1)+(1/x+1)-(1/(x-1)^2)+(2/x-2)

    please help guys


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  2. #2
    Senior Member furor celtica's Avatar
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    just put everything to the same denominator then simplify, factorise and cut out the redundant values.
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  3. #3
    Super Member craig's Avatar
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    Quote Originally Posted by joey1 View Post
    please guys help

    express as a single fraction (1/x)-(2/x-2)+(x-1/x^2+1)

    and (x+1/x^2+1)+(1/x+1)-(1/(x-1)^2)+(2/x-2)

    please help guys


    As furor celtica said you need to make everything have the same denominator, which for your question would be:

    \frac{A}{x(x-2)(x^2+1)}

    For the numerator you need to multiply each term by the other 2 denominator, for example:

    \frac{1(x-2)(x^2+1)...}{x(x-2)(x^2+1)}.

    Repeat this method for your other question.

    Hope this helps
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  4. #4
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    thanx guys
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  5. #5
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    okay guys plese could you confirm my answers
    1.x-5x^2-2/x(x-2)(x^2+1)
    2.x^3-x^2+2x/x^2-1
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