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Nairaland Forum / Science/Technology / Programming / Please I Need Help With This Assignment (786 Views)
Please Help Me With This Assignment / Pls Need Help On This Assignment / Any Idea On This Assignment? (2) (3) (4)
Please I Need Help With This Assignment by Weezyval(m): 11:05am On Jun 19, 2015 |
please can anybody help me out here I have an assignment but I don't know how to go about it QUESTION ONE find the roots of the polynomial p(x) = x4+4x3+6x2+4x+5=0 given that one of the roots is x= -1 QUESTION TWO let a function f be defined by f(x) = x2-2x-3/x2+2x+3 i) determin the domain of f(x) ii) find the range of f(x) QUESTION THREE find and expression for f(3x+1) and hence determine f(4) I will be very grate full if any mathematician can help me out pleasssss tanks |
Re: Please I Need Help With This Assignment by afolwalex20(m): 11:18am On Jun 19, 2015 |
this is not programming bro... well 1 Like |
Re: Please I Need Help With This Assignment by GuiltySpark343(m): 3:04pm On Jun 19, 2015 |
this is further maths/engineering maths...question 1 and 2 i know.question 3 not very sure...may be you will call me to give you the working |
Re: Please I Need Help With This Assignment by Craigston: 4:32pm On Jun 19, 2015 |
I have problems with polynomials.
Did you say 'x = -1' is a root (in your first question)?
Using: f(x) / g(x) = q(x) + R;
R equaled 4 when I tried 'x = -1'.
GuiltSpark343, can you help us? |
Re: Please I Need Help With This Assignment by Dmayor7(m): 8:27pm On Jun 19, 2015 |
Weezyval: Hi Craig... Just go to www.nickzom.com and solve ya problem... |
Re: Please I Need Help With This Assignment by Craigston: 11:16pm On Jun 19, 2015 |
Thanks Dmayor7. Nickzom's nice. I wanted to do a project like that. I don't have enough skill yet. Some problems can be solved better by humans. There's a problem I have on logarithms: An expression whose terms are raised to powers expressed as logarithms, with each term's power being a logarithm expression in a different base. I may post it later when the OP's problem's solved. 1 Like |
Re: Please I Need Help With This Assignment by GuiltySpark343(m): 6:27am On Jun 20, 2015 |
in a nutshell remainder theorem states that if the variable x is a root of a polynomial,then substituting x in the equation should give you zero We have (-1)'4+4(-1)'3 +6(-1)'2 +4(-1)+5 Which gives us 1 - 4 + 6 - 4 + 5 Equals 4 meaning x=-1 is not a root in the first place |
Re: Please I Need Help With This Assignment by yutsuf(m): 2:34pm On Jun 21, 2015 |
I hope u see this clearly
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Re: Please I Need Help With This Assignment by yutsuf(m): 2:39pm On Jun 21, 2015 |
the question 3 is to question 2. its incorrect |
Re: Please I Need Help With This Assignment by Weezyval(m): 3:07pm On Jun 21, 2015 |
yutsuf:tanks alot for trying to help but i cant really see wat u posted |
Re: Please I Need Help With This Assignment by Weezyval(m): 3:08pm On Jun 21, 2015 |
yutsuf:tanks alot for trying to help but i cant really see wat u posted |
Re: Please I Need Help With This Assignment by Weezyval(m): 3:09pm On Jun 21, 2015 |
yutsuf:tanks alot for trying to help but i cant really see wat u posted |
Re: Please I Need Help With This Assignment by Craigston: 7:41pm On Jun 21, 2015 |
The images are blurry. But they look like attempts at the question. You got a remainder of 4, so it's not a factor. |
Re: Please I Need Help With This Assignment by yutsuf(m): 8:48am On Jun 22, 2015 |
for it to b a factor, the remainder is subtracted...... then basically using as a factor.... u get (x+1)4 |
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