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    f(x) = 1/(1-x)^2

    i know how to do it but i end up with some complex fraction over fraction which cant cancel which prob means im doing it wrong could i get some help with it please

    just to check f(x+deltax) means 1/(1-(x+deltax))^2 right?
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    Yes.
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    (Original post by eugenius 8)
    f(x) = 1/(1-x)^2

    i know how to do it but i end up with some complex fraction over fraction which cant cancel which prob means im doing it wrong could i get some help with it please

    just to check f(x+deltax) means 1/(1-(x+deltax))^2 right?
    would it not be easier to differentiate (1-x)^-2
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    oh crap i meant 1/(1-x^2) :o:
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    (Original post by Chaoslord)
    would it not be easier to differentiate (1-x)^-2
    Differentiate from first principles means you can't "just differentiate"
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    (Original post by SimonM)
    Differentiate from first principles means you can't "just differentiate"
    ohhhh =P my bad xD
 
 
 
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