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    How do you turn 2u/u-1 into 2+2/u+1? I forgot ☹️


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    (Original post by TSRforum)
    How do you turn 2u/u-1 into 2+2/u+1? I forgot ☹️


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    Either by long division or adding zero creatively.
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    (Original post by Zacken)
    Either by long division or adding zero creatively.
    There's a quicker way...


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    (Original post by TSRforum)
    There's a quicker way...


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    Inspection, then.
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    I swear 2u/(u-1) never equals 2 + 2/(u+1)

    just sub in 2: the first one gets 4 and the second one gets 8/3
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    (Original post by EconEast)
    I swear 2u/(u-1) never equals 2 + 2/(u+1)

    just sub in 2: the first one gets 4 and the second one gets 8/3
    Obvious typo, both denominators should be +-1
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    (Original post by Zacken)
    Obvious typo, both denominators should be +1
    Maybe it's not a typo but a reading error and that's why OP can't do it haha
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    (Original post by EconEast)
    Maybe it's not a typo but a reading error and that's why OP can't do it haha
    Fair enough. :lol:
 
 
 
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