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Re: Nairaland Mathematics Clinic by Laplacian(m): 6:18pm On Dec 14, 2013 |
jackpot: Hahaha. I didnt know your first statement (the part where you replied Maximus) is still on the question. I thought you were boilingi'll post the full solution later (wen am free). I arrived @ it exactly 12:00pm today...it has 2 do wit Pell's equation...i hop u 're familiar wit that?...hey! the error has been duely corrected...thanks... |
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 6:31pm On Dec 14, 2013 |
Re: Nairaland Mathematics Clinic by Laplacian(m): 7:16pm On Dec 14, 2013 |
Laplacian:for any confusion, refer 2 page 121 1 Like |
Re: Nairaland Mathematics Clinic by rhydex247(m): 8:52pm On Dec 14, 2013 |
2nioshine: Topic:LAPLACE TRANSFORMATION solution to no 1. L(tcosat) using the shift theorem. well known that L(cosat)= s/s^2+a^2 where s>0. now d L(tcosat)= -d/ds(s/s^2+a^2). Using d quotient rule we av s^2-a^2/(s^2+a^2)^2. solution to no 2. L(e^4tcos3t). well known that L(Cos3t)=s/s^2+9. hence L(e^4tcos3t)= s-4/(s-4)^2+9= s-4/s^2-8s+25. now d f'L(e^4tcos3t) = f'[ (s-4)/(s^2-8s+25)]. using d quotient rule we ave s^2-8s+7/(s^2-8s+25)^2. |
Re: Nairaland Mathematics Clinic by Nobody: 9:40pm On Dec 14, 2013 |
Alpha Maximus: The product of 19 numbers is the square root of the sum of the inverse of the cube of the result of the sum of the first 13 numbers collective lowest common multiple and the square of the highest common factor of the last 6 numbers... What is the value of the square root of the cube of the subtraction of the other numbers from the largest. Whoever solves this within 3 hrs will get 50,000naira from me, I'm serious. May the odds be in ur favour. Hunger Games stuff ![]() @akpos4uall I'm sorry I've been having trouble with my email address. Changing it has become an impossible task. ![]() |
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 9:52pm On Dec 14, 2013 |
Re: Nairaland Mathematics Clinic by 2nioshine(m): 9:52pm On Dec 14, 2013 |
rhydex 247:Thanks for the approach but note that the first principle required for Q1(not the shifting principle as used)*although a slight flaw in your ans. And Q2 implies the laplace transform of the derivative i.e Lf'{}.( not so conventional) nd thats d reason i choose the notation f'L{ } ...nice try though... Sti awaiting replies |
Re: Nairaland Mathematics Clinic by rhydex247(m): 10:04pm On Dec 14, 2013 |
2nioshine: hmmm. u mean d/dt[L(e^4tcos3t)]. if that is d case solution pending. |
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 10:26pm On Dec 14, 2013 |
Re: Nairaland Mathematics Clinic by jackpot(f): 10:57pm On Dec 14, 2013 |
Laplacian:Clear. Congrats on resolving your 3-yrs old question. See the power of sharing!!! ![]() Any other enigmas for us to brainstorm on? |
Re: Nairaland Mathematics Clinic by Nobody: 11:14pm On Dec 14, 2013 |
Laplacian: Wow, great bruv! Kudos man.... nice work! @Alpha, I see you.... ![]() ![]() |
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 11:26pm On Dec 14, 2013 |
jackpot: Clear.My question. You were in the conspiracy too, weren't you? ![]() |
Re: Nairaland Mathematics Clinic by jackpot(f): 1:16am On Dec 15, 2013 |
^I wouldnt crack my little brain on your question. I would rather leave that priviledge to you. ![]() so dear, write your question as a mathematical equation. Then I will see whether it is solvable ![]() 1 Like |
Re: Nairaland Mathematics Clinic by jackpot(f): 1:22am On Dec 15, 2013 |
doubleDx:Hi DoubleDx. How have you been? I finally bought the Advanced Engine Maths by H.K.Dass @N1700. It's a nice read so far. His methods of solution are cool. Thanks for recommending the text. 1 Like |
Re: Nairaland Mathematics Clinic by AlphaMaximus(m): 9:38am On Dec 15, 2013 |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 11:36am On Dec 15, 2013 |
jackpot: Easy one. . .ok @ jack pot quickly give me the solution to the problem within 5mins |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 11:44am On Dec 15, 2013 |
find the missing number s; 5,_,1205,_271205,_ ok madam jackpot give me the solutions na |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 11:47am On Dec 15, 2013 |
simplify (9-0)(9-1)(9-3)(9-4)...(9-n) |
Re: Nairaland Mathematics Clinic by Laplacian(m): 11:47am On Dec 15, 2013 |
jackpot: Clear.hey, i have more unanswered problems than any user on this thread , few in number theory though (as compared 2 elliptic functions)...here are two interestin ones, i've cracked d first one though, maybe u can generalise my result lik u did 4 alpha maximus, or mayb ur method of solution 'll get 2 b prettier than mine, in any case i'll get 2 learn smthin....subsequently, in all my questions, whenever i refer 2 integers, i mean NON-ZERO integers to avoid the supply of trivial solutions: 1.) find the set of all integer pairs (x, y) such that x2+y2 is divisible by xy+1 2.) if 4n+2n+1 is a prime, show that n is some power of 3 |
Re: Nairaland Mathematics Clinic by jackpot(f): 12:22pm On Dec 15, 2013 |
Humphrey77: ok @ jack pot quickly give me the solution tobro, are you really interested in the solution or in speed? Na exam be this? ![]() ![]() ![]() |
Re: Nairaland Mathematics Clinic by Nobody: 12:24pm On Dec 15, 2013 |
jackpot: Hi DoubleDx. How have you been? I'm good general jackpot, I hope you are too?...It's been a while! HK Dass Engine is a good math material, nice you bought it! Hailings! |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 12:28pm On Dec 15, 2013 |
jackpot: bro, are you really interested in the solution or in speed?no na brain stroming |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 12:31pm On Dec 15, 2013 |
jackpot: bro, are you really interested in the solution or in speed?give the result of the missing numbers ( happy) |
Re: Nairaland Mathematics Clinic by jackpot(f): 12:31pm On Dec 15, 2013 |
Laplacian:ok. Nice questions ![]() ![]() ![]() Humphrey77: find the missing number s; 5,_,1205,_271205,_ ok madam jackpot give me the solutions narest assured, I'll give you the solution before the day runs out. I am kinda busy now. |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 12:37pm On Dec 15, 2013 |
state and prove LAGRANGE THEOREM ( ABSTRACT ALGEBRA) |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 12:43pm On Dec 15, 2013 |
SIMPLIFY (9-0)(9-1)(9-3)... AND STATE THE BREAKING POINT :HAPPY DAY |
Re: Nairaland Mathematics Clinic by Laplacian(m): 1:10pm On Dec 15, 2013 |
Humphrey77: SIMPLIFY (9-0)(9-1)(9-3)...pls simplify it lets c @humphrey |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 1:28pm On Dec 15, 2013 |
Laplacian:HERE IT SOLUTION (9-0)(9-1)(9-2)(9-3)(9-4)(9-5)(9-6)(9-7)(9- ![]() |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 1:33pm On Dec 15, 2013 |
THE EXPRESSION (9-0)(9-1)(9-2)(9-3)(9-4)... IS EQAUL TO ZERO HAPPY |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 1:54pm On Dec 15, 2013 |
FIND THE VAULE OF K:6"K -31(2"K)+32 IS EQUAL TO ZERO ) : HAPPY ! ** DAY TO MY QUEEN |
Re: Nairaland Mathematics Clinic by Humphrey77(m): 2:41pm On Dec 15, 2013 |
MY QUEEN GAVE ME THIS QUESTION YESTERDAY AND AS ME TO COMPLETE IT : I said to my self what am i going to do ? told her that am going to post it to my oga on top : complete these : 6,__,204__,__,25779. (hint they are multiple of 3) : HAPPY |
Re: Nairaland Mathematics Clinic by hardedeji1(m): 2:43pm On Dec 15, 2013 |
Alpha Maximus: The product of 19 numbers is the square root of the sum of the inverse of the cube of the result of the sum of the first 13 numbers collective lowest common multiple and the square of the highest common factor of the last 6 numbers... What is the value of the square root of the cube of the subtraction of the other numbers from the largest. Whoever solves this within 3 hrs will get 50,000naira from me, I'm serious. May the odds be in ur favour. dude, if u wan post nawti question, at least b real n creative with it. I can see two sums in the question, buh just a conjunction (and)... That aint maths!! |
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