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Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 9:32am On Jun 25, 2013 |
doubleDx:Thanks |
Re: How To Calculate Quickly And Correctly In Mathematics by Zico0(m): 11:09am On Jun 25, 2013 |
Ortarico, doubledx and calculus all i can say is WoW! To me, you guies are an incentive to learning mathematics. 1 Like |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 12:36pm On Jul 03, 2013 |
Guys pls help me multiply 34 and 5 in base 5 |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 1:24pm On Jul 03, 2013 |
Omosivie,: It's all the same steps as if it were in base 10, you just have to keep things all in base 5 the whole way through: . . . .3 4 x. . . . 5_{5} The first thing you do is 4 x 5 which is 20 in base 10, but in base 5 it's 40 (4*5= 20, 0*1= 0, 20 + 0= 20) So drop the 0 from the ones down and carry the 4 from fives: . . . . .4 . . . . .3 4 x. . . . 5_{5} . . . . . . 0 . . . Now do 5 x 3 which is 15 in base 10, but in base 5, it's 30. But add 4 to that since it's carried over from the last product and you get 19 in base 10 or 34 in base 5. So now we have: . . . . .3 . . . . .3 4 x. . . . . .5_{5} . . . . . . . . . . . . . . . . .3 4 0. . . And your answer is 340_{5}. . . . Hope this helped? |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 2:14pm On Jul 03, 2013 |
Ortarico:Thanks, it helped. The question is actually : A housewife bought 5yams at W34 per yam and 3 oranges at W5 each where W is the currency reckoned in base six. The total amount spent by the house wife is A W225(base six) B W252(base six) C W315(base six) D W352(base six). |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 3:28pm On Jul 03, 2013 |
Omosivie,: All right, here we go: NB: We're bound to do all in base 6 Now, we're multiplying W34_{6} by 5 and W3_{6} by 5 and thereafter adding the the amount of both to arrive at the total amount paid. Multiplying 5 yams at W34_{6} each: following the steps I gave you, you'll arrive at W302_{6}. Multiplying 5 oranges by W3_{6} you'll arrive at W23_{6} :. Adding both amount in base 6 carefully Tot amount= W302_{6} + W23_{6} Tot amount= W325_{6}. . . .Answer I can't find that in the options, maybe you made a typo error, please check it well especially option D |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 3:55pm On Jul 03, 2013 |
Ortarico:Nope, there's no typographical error. That's how it's written in my textbook. Thanks |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 5:08pm On Jul 03, 2013 |
Omosivie,: Well that's the solution I can provide on that. what's the answer in your textbook? |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 5:34pm On Jul 03, 2013 |
Ortarico:315(base six). According to the textbook: 34(base six) X 5(base six) is 252(base six). I don't know how they came about the 252(base six). |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 5:52pm On Jul 03, 2013 |
Omosivie,: All right sis. May I know the textbook? |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 7:24pm On Jul 03, 2013 |
Ortarico:Lamlad Maths text book |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 8:10am On Jul 04, 2013 |
Omosivie,: Hmmn. . .i've heard of the book before but haven't seen it. I doubt it's authenticity, maybe another person here should try helping. |
Re: How To Calculate Quickly And Correctly In Mathematics by Calculusfx: 4:10pm On Jul 04, 2013 |
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Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 4:18pm On Jul 04, 2013 |
Ortarico:Oh!!!!!! Someone told me that it's d best, that's why i bought it sha. Pls i'm having a little problem with mensuration, circles, bearing and lines. Can u help me out with them cos i don't understand them @ all. Are u on 2go? |
Re: How To Calculate Quickly And Correctly In Mathematics by Calculusfx: 4:22pm On Jul 04, 2013 |
Omosivie,:...well lamlad is a good textbook...but it won't treat the topic at all...he will just write formulae and go to questions...but i love his questions and the way it's being solved... |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 5:45pm On Jul 04, 2013 |
Omosivie,: Yes I am. You can add me with 'oketunde2' and/or my boss; calculusf(x) with 'mathemagician'. |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 5:55pm On Jul 04, 2013 |
Calculusf(x):I've seen Comprehensive maths, Basic Mathematics for social management sciences(University book), New general maths and Lamlad maths. Up till now, i still don't know maths. My case is a pathetic one. |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 5:58pm On Jul 04, 2013 |
Ortarico:Thanks, i'll add u both now |
Re: How To Calculate Quickly And Correctly In Mathematics by koliks(m): 9:00pm On Jul 04, 2013 |
Lamlad z a gud textbook...i use it nd it has helped me alot,their questions r very technical,if u cnt think u wouldnt be able 2 solve it...ur case z nt pathetic @ omosive..all u have 2 do z practise....@calculux,otarico nd double(dx) u guys r gifted 1 Like |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 8:07am On Jul 05, 2013 |
koliks: Lamlad z a gud textbook...i use it nd it has helped me alot,their questions r very technical,if u cnt think u wouldnt be able 2 solve it...ur case z nt pathetic @ omosive..all u have 2 do z practise....@calculux,otarico nd double(dx) u guys r giftedThanks but i can be very very lazy when it comes to thinking mathematically but i'll keep on practising |
Re: How To Calculate Quickly And Correctly In Mathematics by koliks(m): 9:38am On Jul 06, 2013 |
Omosivie,:owk....maths z d simplest subject ever.....u just have 2 knw d principles behind every topic nd knw ur formulae d@s all u need....take it 4rm me,i was 1ce in ur shoes |
Re: How To Calculate Quickly And Correctly In Mathematics by Zico0(m): 4:09pm On Jul 08, 2013 |
Please who can integrate these derivatives: integrate tanxdx integrate 1/_/(x - 2)^2 + 25dx i hope it is comprehensible. |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 6:56am On Jul 09, 2013 |
Zico0: Please who can integrate these derivatives: 1. NB: $ denotes integral $ tanx dx= $ sinx/cosx dx u= cosx then we find du= -sinx dx substitute du= -sinx, u= cosx. $ sinx/cosx dx= - $ (-1) sinx dx/cosx => - $ du/u solve the integral: => -In|u| + c substitute back: u= cosx => -In|cosx| + c OR $ tanx dx= -In|cosx| + c => In|(cosx)^-1| + c => In|secx| + c Therefore: $ tanx dx= -In|cosx| + c => In|secx| + c 2. Loading. . . 1 Like |
Re: How To Calculate Quickly And Correctly In Mathematics by Calculusfx: 9:47am On Jul 09, 2013 |
Zico0: Please who can integrate these derivatives:...kudos to my oga at the top(ortarico) for number one...2...integral dx/sqrt(x-2)^2 +25...using the principle of hyperbolic functions...{1/sqrt x^2-a^2 will attract cosh,1/sqrtx^2+a^2 will attract sinh,1/sqrta^2-x^2 will attract sin}...so from those standard integral...sinh fits,then back to the question...integral dx/sqrt(x-2)^2+25...let 5sinh@ be x-2...therefore the equation becomes integral dx/sqrt(5sinh@)^2+25...integral dx/sqrt25sinh^2@+25...NB...don't forget x-2=5sinh@...so,integral dx/5sqrtsinh^2@+1...(pause)...using the principle of hyperbolic functions cosh^2@-sinh^2@=1...cosh^2@=1+sinh^2@...substitute that to where we stopped...integral dx/5sqrtcosh^2@...integral dx/5cosh@(pause)...from the beginning...x-2=5sinh@...dx/d@=5cosh@...dx=5cosh@d@...back to where we stopped integral dx/5cosh@...substitute dx=5cosh@d@...then it becomes integral 5cosh@d@/5cosh@...which is equal to integral d@...which is equal to {@}...from the top x-2=5sinh@...(x-2)/5=sinh@...therefore @=arcsinh(x-2)/5 +c... |
Re: How To Calculate Quickly And Correctly In Mathematics by rashywire: 10:17am On Jul 09, 2013 |
i knw I'll locate u guys, #shaking heads# ehn ehn, so dis is hw life b abi? Hweva, u guys re doing gr8 here. I'm nw here with u guys 2 learn, 2 solve n 2 help. @ omosive, my mentor always tell me d@ nothin is impossible nt until i found myself knwing basic maths n 4rm there I tank God, so u cn do it, a question may take u 5 days 2 tink, buh if u give it 2 another person 2 solve, d@ shows u dnt wnt 2 disturb ur brain. @ Ortarico, calculux, More PALMOIL 2 ur elbows. Lols. Letz drive mathematics pls |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 6:48pm On Jul 09, 2013 |
Calculusf(x): That's my boss. . . .always reliable, me hail oooo |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 6:49pm On Jul 09, 2013 |
rashywire: i knw I'll locate u guys, #shaking heads# ehn ehn, so dis is hw life b abi? Hweva, u guys re doing gr8 here. I'm nw here with u guys 2 learn, 2 solve n 2 help. @ omosive, my mentor always tell me d@ nothin is impossible nt until i found myself knwing basic maths n 4rm there I tank God, so u cn do it, a question may take u 5 days 2 tink, buh if u give it 2 another person 2 solve, d@ shows u dnt wnt 2 disturb ur brain. @ Ortarico, calculux, More PALMOIL 2 ur elbows. Lols. Letz drive mathematics pls hmmmmmm. . . .thanks. |
Re: How To Calculate Quickly And Correctly In Mathematics by Nobody: 10:32pm On Jul 09, 2013 |
I think we have new mad people coming here.... |
Re: How To Calculate Quickly And Correctly In Mathematics by MrCalculus(m): 7:25pm On Jul 10, 2013 |
Hmm...greatinz @ortarico,calculus,omosivie,general dx and odas...i can feel d heat hear 1 Like |
Re: How To Calculate Quickly And Correctly In Mathematics by Ortarico(m): 7:53pm On Jul 10, 2013 |
Mr Calculus: Hmm...greatinz @ortarico,calculus,omosivie,general dx and odas...i can feel d heat hear Thank goodness, one of my bosses finally locates here. . . .welcome Mr. Calculus |
Re: How To Calculate Quickly And Correctly In Mathematics by Calculusfx: 1:28pm On Jul 12, 2013 |
. |
Re: How To Calculate Quickly And Correctly In Mathematics by Omosivie1(f): 2:19pm On Jul 12, 2013 |
Calculusf(x): 1 52 x 52= 2744 2 47 x 47 = 2209 3 Too long to calculate 4 Too long to calculate 5 93 x 93 = 8649 6 Too long to calculate. |
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