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Nairaland Forum / Nairaland / General / Education / Nairaland Mathematics Clinic (492353 Views)
Mathematics Clinic / 2015 Cowbell Mathematics Champion, Akinkuowo Honoured By School. / Lead City University Clinic Welcomes First Ever Baby Since 10 Years Of Opening (2) (3) (4)
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Re: Nairaland Mathematics Clinic by rhydex247(m): 8:14pm On Oct 26, 2013 |
Laplacian:@ laplacian. Hmmm u tried sha buh no be the answer be that. |
Re: Nairaland Mathematics Clinic by busuyem: 8:18pm On Oct 26, 2013 |
benbuks: ,...number base conversions involving decimals dont always terminant..so u stop at 4 decimal place.. Thnks so much and God bless u. |
Re: Nairaland Mathematics Clinic by Nobody: 12:35am On Oct 27, 2013 |
hi maths gurus... i need workings on this integral... evaluate the integral § x/(x^3+1)... |
Re: Nairaland Mathematics Clinic by wisemania(m): 6:53am On Oct 27, 2013 |
Ezechinwa: hi maths gurus... i need workings on this integral... evaluate the integral § x/(x^3+1)...d gurus in d house will provide d working 4u,... Ans: 2/(3)^(1/2)arctan(((3)^1/2)/(2x-1))-ln(x+1)+c...i stand 2b corrected..thank u... |
Re: Nairaland Mathematics Clinic by rhydex247(m): 12:17pm On Oct 27, 2013 |
wisemania:Ur ans is wrong. Here is some steps. §x/(x^3+1). Soln. Using Partial fractn § x+1/3(x^2-x+1) dx - § 1/3(x+1)dx. 1/3§ (x+1)/(x^2-x+1) -1/3§1/(x+1). I'm stopping here. I'm sure u can continue frm here. Cos i'm kind of busy. Here is the ans. If u move further. 1/6[ln(x^2-x+1)-2ln(x+1)+2rut3 tan^-1(2x-1/rut3)]+ C. Lol. OYO. |
Re: Nairaland Mathematics Clinic by Nobody: 3:08pm On Oct 27, 2013 |
jackpot: Hi doubleDx It's a combination of Advanced Engineering Mathematics by H.K. Dass and some other stuffs... The scanned pages are from Murray R. Spiegel Mathematical Handbook (Page 126 & 127). Nice work you've been doing here. Keep it up girl! |
Re: Nairaland Mathematics Clinic by Nobody: 3:21pm On Oct 27, 2013 |
jackpot: Hey bro, check this, from where you copied it out. It should be 61/3.corrrect ma'am . . Here's lunch . . if Tn+1 = a + bTn for a sequence T1, T2, T3, . . ., show that Tn+1 - Tn = bn-1 [a - (1 - b)T1] |
Re: Nairaland Mathematics Clinic by wisemania(m): 5:32pm On Oct 27, 2013 |
rhydex 247:i tested u!......i kw dis tin da year sha,anywaz i no come dis wrld 2come dey solve maths naw |
Re: Nairaland Mathematics Clinic by jackpot(f): 9:05pm On Oct 27, 2013 |
Swagalord18: Swagalord18:SMH!!! It's obvious you are not in need of the solutions. I'm equally not here to impress you or anybody. Take back your meals and feed yourself first. ![]() At least, I know you are very skinny, and in need of sumptuous meals. ![]() ![]() ![]() I'm out!!! 1 Like |
Re: Nairaland Mathematics Clinic by Nobody: 9:43pm On Oct 27, 2013 |
jackpot: SMH!!!..this is what i call a psychological phenominal....no tell me say u dey form maths don,..c'mmon baby no fall ma hand na.. |
Re: Nairaland Mathematics Clinic by wisemania(m): 11:42pm On Oct 27, 2013 |
jackpot: SMH!!!i fink ure getting d young man crossed... |
Re: Nairaland Mathematics Clinic by Mbahchiboy(m): 12:05am On Oct 28, 2013 |
Swagalord18: prove that if the first term of an A.P is 1, and the sum of n terms is n2, the A.P is 1,3,5.....9EVEN without solvin much u know it follows a pattern which is:: 2n-1.....where n=1,2.... |
Re: Nairaland Mathematics Clinic by Nobody: 1:51am On Oct 28, 2013 |
U shouldnt av said this ma'am ....som pple myt feel dat u cant solve it ... jackpot: SMH!!!ur here 2 solve maths i thought ..... Datz y i post any question dat gives me dificulty here .....i just use dose words "lunch" "desert" 2 praise u coz i know u'l eat(solve) them ..... And i pose dem 2 u in particular cos i lyk d way u use the sub n sup functions (learnt that from you ![]() . After seeing ur post, ..i took it upon myself and put more effort in2 eatin my "sumptuous meal" ..as u called it. ..and whoa!...i solved it without any help ![]() . Herez how i did it: . Tn-1 - k = b(Tn-k) ....... (1) . . U'l get . Tn+1 = k(1-b) + bTn . From the relation in d question a = k(1-b) ...input dat and u'l get..; k=a/(1-b) . Put this in eq (1) ...u'l get . Tn= a/1-b + bn-1(T1 - a/1-b) . . The pathway 2 d answer is obvious from here .... . . . Ur still among the pple i look up to ....tho' i never expected this frm u Thanx once again ma.. ![]() |
Re: Nairaland Mathematics Clinic by Airty: 6:29am On Oct 28, 2013 |
Pls pls pls any mathematician in the house? Help me out, I'm on a hot seat. (1) DIVIDE 1423 BY 24 IN BASE 5 (2) DIVIDE 2512 BY 4 IN BASE 4 |
Re: Nairaland Mathematics Clinic by Nobody: 6:49am On Oct 28, 2013 |
Airty: Pls pls pls any mathematician in the house?....1) lets first convert to base ten.1423(base 5)= (1x5^3) +(4x5^2) +(2x5^1)+(3x5^0)=125+100+10+3=238 .. 24(base 5) =(2x5^1) +(4x5^0)=10+4=14 238/14=17(base ten) = 5|17 =3r2 5|3=0r3 =>1423 /24 =32 .(base 5) 1 Like |
Re: Nairaland Mathematics Clinic by Ridiy: 7:03am On Oct 28, 2013 |
I have 50 naira I spend. Remaining bal. 20. 30 15. 15 9. 6 6. 0 Tot:50. 51 Pls., where is the extra 1naira coming from?.. |
Re: Nairaland Mathematics Clinic by Nobody: 2:17pm On Oct 28, 2013 |
Xy'=2x +y solve d DE |
Re: Nairaland Mathematics Clinic by Mikebis(m): 2:41pm On Oct 28, 2013 |
Laplacian: ...there is no analytic solution to:who tld u dat |
Re: Nairaland Mathematics Clinic by Mbahchiboy(m): 7:36pm On Oct 28, 2013 |
Mikebis: who tld u datPLZ SHOW US UR METHOD SIR MIKEBIS |
Re: Nairaland Mathematics Clinic by rhydex247(m): 7:53pm On Oct 28, 2013 |
benbuks: Xy'=2x +ySolution. xy'=2x+y. divide thru by x. y'=2+y/x. y'-y/x=2. Nw recall that dy/dx+P(x)y=Q. P(x)=-1/x and Q=2. I.F means integrating factor. I.F= e^§P(x)dx. I.F=e^§-1/x dx. I.F=e^-lnx. I.F=x^-1=1/x. hence I.F=1/x. y.I.F= §Q.I.Fdx y.1/x=§2.1/xdx y/x=2§1/xdx y/x=2lnx+C. y=x(2lnx+C). All is well. |
Re: Nairaland Mathematics Clinic by Nobody: 10:33pm On Oct 28, 2013 |
Sum the series cos@ + cos 2@ + cos3@ +... |
Re: Nairaland Mathematics Clinic by Nobody: 11:04am On Oct 29, 2013 |
This thread is becoming dry this days, guys n girls what's happunin na?. |
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 11:54am On Oct 29, 2013 |
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 12:02pm On Oct 29, 2013 |
Re: Nairaland Mathematics Clinic by Richiez(m): 12:24pm On Oct 29, 2013 |
Hi everyone...I've got good news for you all. If you want the soft copy of Engineering maths by Alan Jeffrey, send ur request to me via richobiagba@gmail.com please don't post your emails here so that our thread won't look untidy. Thanks! |
Re: Nairaland Mathematics Clinic by Nobody: 2:48pm On Oct 29, 2013 |
Four married couples bought eight seats in a row for a concert. In how many ways can they be seated if (a) each couple is to sit together (b) each couple, except a particular newly-wed couple, is not to sit together (c) a particular couple decided to head home after having a minor argument? |
Re: Nairaland Mathematics Clinic by Mbahchiboy(m): 7:33pm On Oct 29, 2013 |
plz need ur assistance guys:: (1).y"+2y'+y=0. (2).2004^2004. plz wen solvin use simple terms 4 my better understanding. TNX IN ADVANCE |
Re: Nairaland Mathematics Clinic by Mbahchiboy(m): 7:39pm On Oct 29, 2013 |
benbuks: ..this is what i call a psychological phenominal....no tell me say u dey form maths don,..c'mmon baby no fall ma hand na..bro it is obvious d guy was just testin her agility. i support jackpot partially sha........ dis one everybody dy face jackpot abi na high i go call am .....hmmm. DID U KNOW??................ DAT JACKPOT IS A GUY. . . . . . . . . . . . . . . na joke i dy ooo |
Re: Nairaland Mathematics Clinic by Nobody: 8:10pm On Oct 29, 2013 |
Mbahchiboy: bro it is obvious d guy was just testin her agility.smh ...some nairaland guys irritate me ... See how u draw conclusions ....do u know my story . Ddnt u c dat all my questions wer from d same topic ....iznt it obvious that i waz reading that topic ....i gave d questions dat gave me difficulty 2 her cos shez good ..n i understand her solvings... . I'm sure if i were d girl here and she ..d guy,, .........ur support will tilt towardz me ..... smh... boys will be boys (-_-) |
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 8:19pm On Oct 29, 2013 |
Re: Nairaland Mathematics Clinic by Mbahchiboy(m): 8:45pm On Oct 29, 2013 |
Swagalord18:brb it hasn't come to a fight......... |
Re: Nairaland Mathematics Clinic by Laplacian(m): 8:56pm On Oct 29, 2013 |
Alpha Maximus: ...I believe this is a simple combination matter, let's get to it!!!que1....if each is considered a single entity then there should be four entities...so dat, 4C1=4 que2...each is not to sit together except 2 |
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