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C4 Algebra Question

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


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


Posted from TSR Mobile


Either by long division or adding zero creatively.
Reply 2
Original post by Zacken
Either by long division or adding zero creatively.


There's a quicker way...


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Reply 3
Original post by TSRforum
There's a quicker way...


Posted from TSR Mobile


Inspection, then.
Reply 4
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
Reply 5
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
(edited 7 years ago)
Reply 6
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
Reply 7
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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