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# fp1 complex numbers watch

1. https://b4be22b3d902bfcdbf6f1c96474d...%20Numbers.pdf

I get 2x^2 -2x+13 with a remainder of 36 when i divide f(x) by x-3

what can i do to go further?
2. (Original post by timebent)
https://b4be22b3d902bfcdbf6f1c96474d...%20Numbers.pdf

I get 2x^2 -2x+13 with a remainder of 36 when i divide f(x) by x-3

what can i do to go further?
You shouldn't be getting a remainder.

Did you do so by long division? You have likely made an error. If you can't spot it feel free to post a picture of your workings for us to look at
3. (Original post by JLegion)
You shouldn't be getting a remainder.

Did you do so by long division? You have likely made an error. If you can't spot it feel free to post a picture of your workings for us to look at
-.-' eugh lemme try again maybe my long division's rusty
funned up the last bit haha
4. Remainder is 25 not 36.
5. (Original post by B_9710)
Remainder is 25 not 36.
no remainders....
6. (Original post by B_9710)
Remainder is 25 not 36.
There is no remainder.
7. (Original post by JLegion)
You shouldn't be getting a remainder.

Did you do so by long division? You have likely made an error. If you can't spot it feel free to post a picture of your workings for us to look at
8. (Original post by JLegion)
There is no remainder.
(Original post by timebent)
no remainders....
I thought the question was divide by , I can't see the question.
9. (Original post by B_9710)
I thought the question was divide by , I can't see the question.
was original question ^^ was what i got the first time i did long division wrong
10. (Original post by timebent)
was original question ^^ was what i got the first time i did long division wrong
Yes I see now.
11. (Original post by timebent)
I think you should check your workings for mistakes; I got x = 3, 1/2 +/- i/2
12. (Original post by timebent)
Equation has non real roots.
13. (Original post by JLegion)
I think you should check your workings for mistakes; I got x = 3, 1/2 +/- i/2
ok since i can't see where i went wrong

here's my workings

14. (Original post by timebent)
ok since i can't see where i went wrong

here's my workings

Should get as quotient.
15. (Original post by timebent)
That's close, sorry I was late to see this.

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16. Anyone, is there a faster way?

It's meant to be part (c)
Attached Images

17. (Original post by Chittesh14)
Anyone, is there a faster way?

It's meant to be part (c)
It's very painful for me to read when you don't use exact values and use decimal approximations.
18. (Original post by B_9710)
It's very painful for me to read when you don't use exact values and use decimal approximations.
Hmm.. Don't worry then, I don't think any other way will be much faster.

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19. (Original post by Chittesh14)
Hmm.. Don't worry then, I don't think any other way will be much faster.

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Probably not.
20. (Original post by B_9710)
Probably not.
. Just need to go over chapter 1 before I continue because I don't think I remember everything.

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