Welcome, Guest: Register On Nairaland / LOGIN! / Trending / Recent / NewStats: 3,194,412 members, 7,954,641 topics. Date: Saturday, 21 September 2024 at 04:04 AM |
Nairaland Forum / Nairaland / General / Education / Nairaland Mathematics Clinic (495007 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)
(1) (2) (3) ... (184) (185) (186) (187) (188) (189) (190) ... (284) (Reply) (Go Down)
Re: Nairaland Mathematics Clinic by Laplacian(m): 7:54pm On Aug 04, 2015 |
Antoinne:nice wrk! |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 7:55pm On Aug 04, 2015 |
#just. drinking. Garri and observing happy solving guys... @ Laplacian ( m ), Karmanaut greetings in CAPITAL letters |
Re: Nairaland Mathematics Clinic by Nobody: 8:02pm On Aug 04, 2015 |
agentofchange1:My oga, I hail. |
Re: Nairaland Mathematics Clinic by Laplacian(m): 8:03pm On Aug 04, 2015 |
agentofchange1:i feel ur efforts bro, kudos!!...enjoy urself!!! 1 Like |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 9:06am On Aug 05, 2015 |
Laplacian: yea man, naGodwin...... nice works sir. |
Re: Nairaland Mathematics Clinic by agentofchange1(m): 9:07am On Aug 05, 2015 |
Karmanaut:hmmm c boss dey call boy. oga, bros, no washing pls.... respects man. |
Re: Nairaland Mathematics Clinic by jackpot(f): 10:18am On Aug 05, 2015 |
jackpot: |
Re: Nairaland Mathematics Clinic by Nobody: 12:32pm On Aug 05, 2015 |
jackpot:
The other asymptote is the conjugate of this. Formula used:
(assuming semiminor axis length a, semimajoraxis length b) a=3; b=6 Hope this helps. Cheers. PS: Seun, we need LaTeX on Nairaland. 1 Like |
Re: Nairaland Mathematics Clinic by Antoinne: 2:03pm On Aug 05, 2015 |
Karmanaut:You wish he could do that! 1 Like |
Re: Nairaland Mathematics Clinic by ayodijex(m): 8:06pm On Aug 05, 2015 |
Karmanaut:...i thought assymptote is simply +/-(b/a)??. |
Re: Nairaland Mathematics Clinic by Geofavor(m): 10:15pm On Aug 05, 2015 |
Nigeriatraining:the link is faulty |
Re: Nairaland Mathematics Clinic by Nobody: 1:53am On Aug 06, 2015 |
ayodijex:I used : Asymptote = y = (b x)/a | y = -(b x)/a (assuming semimajor axis length a, semiminor axis length b) Which gives 4 -2x, or 2 if you jettison the x. So the asymptotes should be 2 or -2. |
Re: Nairaland Mathematics Clinic by Seriallinks(m): 6:39am On Aug 06, 2015 |
Antoinne: I tell you bro; it's not easy to type out solutions here without LaTeX; this same request was made here some time ago but Seun ignored it! Smh... 2 Likes |
Re: Nairaland Mathematics Clinic by Antoinne: 7:07am On Aug 06, 2015 |
So, I have a problem that occured to me while solving the parabola problem earlier. Don't know if you guys are interested Given a parabola, a circle with radius the length of parabola focus is placed at a point N on the parabola, n distance away from the center of the parabola. If this circle falls along the parabola and rises to the other end of the parabola, equally n distance away to the right, how many revolutions will it make? You can express answer in terms of all constants. I'm wondering this may have some application with planetary bodies tags: agentofchange1, dejt4u, Laplacian, Antoinne, Karmanaut, doubleDx, etc
|
Re: Nairaland Mathematics Clinic by Laplacian(m): 11:31am On Aug 06, 2015 |
Antoinne:all things being equal, the equation of the parabola is; 4ay=x2, now the length of any curve is given by; S=§√[1+(y')2]dx, in our case, y'=x/2a, integrate from x=-n to x=n, S=§√[1+(x/2a)2]dx, substitute x=(2a)tan@, the integration should be easy for you!! The length of the circle is L=2#a, so the number of revolutions N=S/L. Am lukin for a concise way of solving Jackpot's second problem without rotating the axis. |
Re: Nairaland Mathematics Clinic by Antoinne: 1:57pm On Aug 06, 2015 |
Laplacian: Good work. You on track. I was hoping you'd give the full solution, though. So, we can see the relationships clearly and see if it offers any insights (hyperbolic or parabolic trigonometric functions). Good try still. |
Re: Nairaland Mathematics Clinic by Emdee590(m): 1:58pm On Aug 06, 2015 |
If there are two children in a family, what is the conditional probability that both are boys given that at least one is a boy ? Please help P.S. : Seun please we need that laTEX |
Re: Nairaland Mathematics Clinic by Laplacian(m): 3:41pm On Aug 06, 2015 |
Antoinne:ok. I was in a car then. Let k=√[1+(2a/n)2] then, S=2aLog[(k+1)/(k-1)] N=S/L=(1/#)Log[(k+1)/(k-1)]. An important deduction is that no circle can ever make whole number of revolutions |
Re: Nairaland Mathematics Clinic by Antoinne: 6:18pm On Aug 06, 2015 |
Laplacian:you sure about this? |
Re: Nairaland Mathematics Clinic by Laplacian(m): 6:39pm On Aug 06, 2015 |
Antoinne:100% |
Re: Nairaland Mathematics Clinic by Antoinne: 7:59pm On Aug 06, 2015 |
Laplacian:While I agree with your last statement about the whole number of revolutions, I disagree with your solution. How did the "Log" function even come in there? "Log", not "In"? Anyways, let me examine the question.... |
Re: Nairaland Mathematics Clinic by Geofavor(m): 7:34am On Aug 16, 2015 |
Sirs, pls help me solve these; 1) the length and width of a rectangle are in the ratio 7:3. If the perimeter is 62cm calculate i) the width ii) the length of a diagonal to the nearest centimeter iii) the area of the rectangle 2) PQRS is a parallelogram. The distance between PS and QR is 14cm and PS = 25cm. If PQ = 17.5cm find the distance between PQ and SR. |
Re: Nairaland Mathematics Clinic by chezholy(m): 8:01am On Aug 16, 2015 |
1. I. 9.3cm
II.24cm
III. 201.81cm² 1 Like |
Re: Nairaland Mathematics Clinic by chezholy(m): 8:03am On Aug 16, 2015 |
1. I. 9.3cm II.24cm III. 201.81cm² 1 Like
|
Re: Nairaland Mathematics Clinic by Geofavor(m): 9:04am On Aug 16, 2015 |
chezholy:bro these aren't the answers. |
Re: Nairaland Mathematics Clinic by dejt4u(m): 9:49am On Aug 16, 2015 |
You are correct chezholy: |
Re: Nairaland Mathematics Clinic by dejt4u(m): 9:55am On Aug 16, 2015 |
Geofavor:4cm |
Re: Nairaland Mathematics Clinic by Geofavor(m): 9:55am On Aug 16, 2015 |
dejt4u:I too couldn't fault that working. But this textbook has the answers to be different. I) 12cm Ii) 30cm Iii) 336cm^2 |
Re: Nairaland Mathematics Clinic by dejt4u(m): 9:59am On Aug 16, 2015 |
Geofavor:the textbook can be very wrong when it comes to maths.. Cheers |
Re: Nairaland Mathematics Clinic by Geofavor(m): 10:00am On Aug 16, 2015 |
dejt4u:Would appreciate it if you show the working. Thnx. This comprehensive maths has its answer to be 20cm |
Re: Nairaland Mathematics Clinic by Geofavor(m): 10:05am On Aug 16, 2015 |
chezholy:BTW, thnx. |
Re: Nairaland Mathematics Clinic by Geofavor(m): 10:08am On Aug 16, 2015 |
dejt4u:The textbook is comprehensive mathematics for senior secondary schools. Exercise 21a, no. 12 to 14. |
(1) (2) (3) ... (184) (185) (186) (187) (188) (189) (190) ... (284) (Reply)
Mastercard Foundation Scholarship, Enter Here / DIRECT ENTRY Admission. / Jamb Result Checker 2012/2013 – UTME Result Checker
(Go Up)
Sections: politics (1) business autos (1) jobs (1) career education (1) romance computers phones travel sports fashion health religion celebs tv-movies music-radio literature webmasters programming techmarket Links: (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) Nairaland - Copyright © 2005 - 2024 Oluwaseun Osewa. All rights reserved. See How To Advertise. 30 |