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Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:49pm On Nov 18, 2013 |
factorial1: @richiez...though u received the ans. late due to network prob...I had to close tab and re-open again! #Shalomo ya quickly bluetooth ansa 2 me so dat i go write am down nd send am 2 oga richiez chapchap...i dey beg o. |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Richiez(m): 2:49pm On Nov 18, 2013 |
time is up....anyone can post the solution score card loading |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 2:50pm On Nov 18, 2013 |
lowkey tinx sir, ntwk sucks....time ticking, 3:00p.m draws nearer... as usual I may'nt be able to participate anymore o aysuccess99: |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Idenyijoshua(m): 2:50pm On Nov 18, 2013 |
aysuccess99: |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Idenyijoshua(m): 2:51pm On Nov 18, 2013 |
aysuccess99:if u fit send me ba3 i go happy o. Lolz |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by jaryeh(m): 2:51pm On Nov 18, 2013 |
aysuccess99: I doubt if one can actually send mb,but you can rather send airtime using the MTN stuff in your menu. |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:52pm On Nov 18, 2013 |
Kendzyma: haha,nt dat its at d red o... factorial1: lowkey tinx sir, ntwk sucks....time ticking, 3:00p.m draws nearer... as usual I may'nt be able to participate anymore o Kendzyma: haha,nt dat its at d red o...#yimu# if i hear......?? u no participate what? we go see nah......@factorial or bitex, post d ansa o. |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by statusnet(m): 2:53pm On Nov 18, 2013 |
Solution S sin2x From our knowledge of trig sin2x = 1/2 (1-cos2x) so S 1/2 (1-cos2x) = 1/2 S 1-cos2x =1/2 (x-sin2x/2) + c = x/2 -(sin2x)/4 + c |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Kendzyma(m): 2:53pm On Nov 18, 2013 |
No b every1 do fmath 4 sec skul na..chai |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by bitex2(m): 2:53pm On Nov 18, 2013 |
Using integratin by substitution let 2x be u u=2x du/dx=2 dx=du/2 $sinu.du/2 1/2$sinu.du -1/2cosu=-1/2cos2x ans -1/2cos2x + c |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:54pm On Nov 18, 2013 |
Idenyijoshua:b3....? owk am coming o...o ya on ur bluetooth make i send u b3...loading.........owk...loading completed...have u seen d b3. |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Kendzyma(m): 2:55pm On Nov 18, 2013 |
statusnet: Solutionhm,bado |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:55pm On Nov 18, 2013 |
statusnet: Solutionoga nla..me hail o.....u be guru o..nice workings...i am feeling ur calculatn swags o.... 1 Like |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:56pm On Nov 18, 2013 |
Cos2x = 1 - 2sin^2(x). 2sin^2(x) = 1 - cos2x sin^2(x) = 1/2 - 1/2cos2x Integral of cos2x = 1/2sin2x. So you get 1/2(x) - 1/4(sin2x) + c |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Kendzyma(m): 2:56pm On Nov 18, 2013 |
bitex2: Using integratin by substitutionits nt sin2x...its sin^2x |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 2:57pm On Nov 18, 2013 |
hmm...I got the ans. sha, praise God! |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:57pm On Nov 18, 2013 |
smurfy: Cos2x = 1-2sin^2(x).i knw dat u wld surely get it...gbosa 4 u o...u be d boss o*latest maths guru in d world o* |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by jaryeh(m): 2:59pm On Nov 18, 2013 |
aysuccess99: Oboi! You just dey whyn everybody for here,and na you dey lead us o. hmmm God dey o. |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 3:00pm On Nov 18, 2013 |
factorial1: hmm...I got the ans. sha, praise God!HALLELUYAH!!!!!!!!!!! d grtst maths guru...i trust u dat u wld get d ansa bro.....*twale o,dobale fun baba* |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Kendzyma(m): 3:00pm On Nov 18, 2013 |
aysuccess99:phd in whinin, |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 3:01pm On Nov 18, 2013 |
aysuccess99: How about you? Did you get it? |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Kendzyma(m): 3:01pm On Nov 18, 2013 |
Hm.i already no d five lucky contestant...leme kip d names |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 3:01pm On Nov 18, 2013 |
Prof. Whyner!! I hail you ooo aysuccess99: |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Richiez(m): 3:02pm On Nov 18, 2013 |
correct ans to previous question is x/2 - sin2x/4 + C Updated Score Card For Round4 1. :::JARYEH::: 18pts 2. :::DENNIECE1::: 20pts 3. :::IDENYIJOSHUA::: 18pts 4. :::DR.GBOY::: 20pts 5. :::FACTORIAL1::: 20pts 6. :::AYSUCCESS99::: 18pts 7. :::KENDZYMA::: 16pts 8. :::LOGODWHIZ::: 10pts 9. [url=https://www.nairaland.com/amazing%20angel]:::AMAZING ANGEL:::[/url] 14pts 10. :::SMURFY::: 20pts ayysuccess99 pls make ur choice quickly |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 3:03pm On Nov 18, 2013 |
jaryeh:if i hear.....? me leading.......? when ogas lyk deniece1,smurfy,factorial,dr.gboy dey do quiz...me i be small boy o.......even sef u ar one of d gurus 4 here o. |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 3:03pm On Nov 18, 2013 |
Who are those boss? You be num. 1 on the list nah Kendzyma: Hm.i already no d five lucky contestant...leme kip d names |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 3:04pm On Nov 18, 2013 |
qstn 11 |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by echibuzor: 3:05pm On Nov 18, 2013 |
. |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 3:05pm On Nov 18, 2013 |
aysuccess99: qstn 11i hope d qstn wld be simple o. |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 3:05pm On Nov 18, 2013 |
Where's Amazing Angel? |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 3:05pm On Nov 18, 2013 |
chai...this kind sun dis afternoon no be shere-shere o! Stil typing... won't av time to solve again...Gosh! |
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 3:07pm On Nov 18, 2013 |
I sight my math nerds in d house o...cap's off 4 u guys...more calculus , more.. |
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