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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 naturalwaves: 12:00pm On Apr 07, 2016 |
hozeinbasit:Check the question again and retype it correctly with all necessary punctuations so that your question can be interpreted correctly. |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 1:20pm On Apr 07, 2016 |
hmm...this. thread ..still exist ..? |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 2:42pm On Apr 07, 2016 |
try this .. solve. y' = siny - xsin^ 2 y. |
Re: Nairaland Mathematics Clinic by mopolord(m): 4:09pm On Apr 07, 2016 |
Pls i need d solution to x^x=27 |
Re: Nairaland Mathematics Clinic by Ayomide002: 4:34pm On Apr 07, 2016 |
agentofchange1:what's the problem with the question |
Re: Nairaland Mathematics Clinic by ladokuntlad(m): 5:06pm On Apr 07, 2016 |
hozeinbasit: if i get u right ade:daniel=4:1 daniel:bose=5:1 thus ade:bose=20:1 it implies that if bose has 40books den ade will have 20x40=800books thus ade has 800books 1 Like |
Re: Nairaland Mathematics Clinic by ladokuntlad(m): 5:09pm On Apr 07, 2016 |
mopolord:Use graphical method naa yu get x=3 or if u love stressful methods like me u can use newton-raphson method |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 8:49pm On Apr 07, 2016 |
Ayomide002:Bernoulli DE.. |
Re: Nairaland Mathematics Clinic by fawaz050(m): 12:29pm On Apr 10, 2016 |
agentofchange1:did my best y=arccsc(v) where v=x-secx+ce^-xcosy |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 8:32pm On Apr 10, 2016 |
fawaz050:hmmm.really ? let's see the workings. then. |
Re: Nairaland Mathematics Clinic by fawaz050(m): 11:03pm On Apr 10, 2016 |
agentofchange1:is it correct? |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 11:17pm On Apr 10, 2016 |
fawaz050:don't worry abt..the correctness... m more interested in the workings ....thanks sir . |
Re: Nairaland Mathematics Clinic by fawaz050(m): 12:53am On Apr 11, 2016 |
agentofchange1:is it correct yes or no |
Re: Nairaland Mathematics Clinic by ladokuntlad(m): 1:22am On Apr 11, 2016 |
fawaz050:Bro its nt always abt the final answer The steps used to arrive at such ansa is wat is needed in maths. Nothing like is it correct |
Re: Nairaland Mathematics Clinic by fawaz050(m): 6:47am On Apr 11, 2016 |
ladokuntlad:ok sir,i will upload it.m just eager to know if i got my sums right |
Re: Nairaland Mathematics Clinic by fawaz050(m): 11:23am On Apr 11, 2016 |
agentofchange1,boss,m unable to upload dem,sincerely i tried doing so..but no lele sha |
Re: Nairaland Mathematics Clinic by profftrojahn: 11:54am On Apr 11, 2016 |
Adol16:u dnt nid. 2 even write anytin na,since x+y=5 jxt try 2 numbers. Less than 5 dat u will add 2 give u 5 nd At d same time make d mumbers a power of themselves to give u 31 .......voila! X is 2 y is 3 |
Re: Nairaland Mathematics Clinic by UTILITYMAY(m): 8:01pm On Apr 20, 2016 |
Please friend, i need the solution to this problem. Thanks. A husband and wife have a combined age of 91. The husband is now twice as old as his wife was when he was as old as she is now. How old are they? |
Re: Nairaland Mathematics Clinic by Soneh(m): 9:10pm On Apr 20, 2016 |
gurus in the house pls i need ur help on this 1.solve the simultaneous equations for x and y (a).log x 2 4 +log 2 y +5.=0 ,,xy=1/4 (b).express(√ 3+2√2) in the form √a+√b.(please note that the first square root sign covers the whole of 3+2√2) (2) evaluate Z 8 where z=1+i√3. (3)prove that tan 2A-tanA=2sinA/cosA+cos3A. (4)find the value of sin-1 2x+sin-1 x for x=1/2 leaving your answer in radians |
Re: Nairaland Mathematics Clinic by ElDeeVee(m): 9:31pm On Apr 20, 2016 |
UTILITYMAY: Ages are 52 and 39 as shown in the workings below. Cheers 2 Likes 2 Shares
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Re: Nairaland Mathematics Clinic by Joe82834(m): 9:54am On Apr 21, 2016 |
Soneh:1b)
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Re: Nairaland Mathematics Clinic by Joe82834(m): 10:11am On Apr 21, 2016 |
UTILITYMAY:
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Re: Nairaland Mathematics Clinic by Joe82834(m): 10:23am On Apr 21, 2016 |
Soneh:4)well make i try.fir 2x, 2(½) is 1.sine inverse of 1 is 90 degrees. Fir x, sine inverse of ½ is 30 degrees. 90+30= 120 degrees. Now 2π rad = 180 degrees. So 120 degrees should be 120(2π)rad/180 =1.333π rad |
Re: Nairaland Mathematics Clinic by Joe82834(m): 11:04am On Apr 21, 2016 |
Soneh:1a) Now this one is interesting. Had to think real hard but happy i got to see d question. Tanx Soneh
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Re: Nairaland Mathematics Clinic by Joe82834(m): 11:31am On Apr 21, 2016 |
Soneh:Another good one MODIFIED (messed up my sign earlier) ; also uploading d correct soln z8 = -128 ( 1 - i√3 )
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Re: Nairaland Mathematics Clinic by Soneh(m): 3:55pm On Apr 21, 2016 |
Joe82834:thanks alot,but please don't forget the number three question |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 4:58pm On Apr 21, 2016 |
Soneh:write the number 3 properly with parentheses .. |
Re: Nairaland Mathematics Clinic by Soneh(m): 5:24pm On Apr 21, 2016 |
agentofchange1:here it is : prove thaT (TAN 2A- TAN A) IS EQUAL TO (2SIN A)/(COS A +COS3A) |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 6:44pm On Apr 21, 2016 |
Soneh: OK . Proof: from the L.H.S., tan(2A) - tanA = sin(2A)/ cos(2A). - sinA/cosA =( Sin2AcosA - cos2AsinA)/cos2AcosA consider the numerator , which takes the form Sin (x-y) = sinxcosy - cosxsiny .... ..( by definition ..trig.identity ) thus , we have => sin(2A-A) / cos2AcosA = sinA/ cos2AcosA .......(*) Now consider the R.H.S, 2sinA/(cosa +cos3A) it can be established that cos3A = 4Cos^3 A -3cosA thus , => 2sinA/2Cos2AcosA = (*) ....( latent simplifications ) hence the proof . |
Re: Nairaland Mathematics Clinic by Gbengem(m): 8:17pm On Apr 21, 2016 |
Help solve this sturm liouville problem Find the eigen value and function of the boundary value problem 1. y'' + (lambda)y =0 y'(0) = 0, y'(1) =0 2. y'' + (lambda)y =0 y(0) = 0, y'(1) + y(1)=0 |
Re: Nairaland Mathematics Clinic by Soneh(m): 11:43pm On Apr 21, 2016 |
agentofchange1:Thanks |
Re: Nairaland Mathematics Clinic by Joe82834(m): 1:02am On Apr 22, 2016 |
Soneh:Just seeing ur quote. D boss(agentofchange1) has fone justice to it. But will upload a detailed(though lengthy) pix of wat i did |
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