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# C4 help

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Why bother with a post grad? Are they even worth it? Have your say! 26-10-2016
1. Hey i can someone give me a push in the rigt direction for 2a .. I know A=2 but cant seem to get it in the form rewuired to get B. Is comparing coefficients the only way to do it in this question?
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2. 16x - 4x =12x ???? not 10x !!
3. (Original post by Mitul106)
Hey i can someone give me a push in the rigt direction for 2a .. I know A=2 but cant seem to get it in the form rewuired to get B. Is comparing coefficients the only way to do it in this question?
.

So you now have:

So...?
4. Take away the (4x^3 - 2x^2 + 4x) away from the original top line, then divide the result by (4x-1)

edit: damn it Zackan, beat me to it again
5. Ohh im an idiot lol sorry ahaha
6. (Original post by Mitul106)
Ohh im an idiot lol sorry ahaha
It happens. At least your method was right, so well done!
7. (Original post by Mitul106)
Ohh im an idiot lol sorry ahaha
I disagree, the smart people get help when they need it
8. The part at the bottom of the long division is the remainder, the part that doesn't divide so you leave it as 10x+3/denominator, the part at the top is divisble by the denominator and thus isn't part of the fraction. If that makes sense.
9. (Original post by Dieselblue)
The part at the bottom of the long division is the remainder, the part that doesn't divide so you leave it as 10x+3/denominator, the part at the top is divisble by the denominator and thus isn't part of the fraction. If that makes sense.
It's not .
10. (Original post by C-rated)
Take away the (4x^3 - 2x^2 + 4x) away from the original top line, then divide the result by (4x-1)

edit: damn it Zackan, beat me to it again
He beats us every single time.

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