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Re: Nairaland Mathematics Clinic by johnpaul1101(m): 2:38pm On Jan 31, 2016
pardon me dear, i meant d second principle
Re: Nairaland Mathematics Clinic by agentofchange1(m): 2:53pm On Jan 31, 2016
johnpaul1101:
pardon me dear, i meant d second principle
ok..which 1 is the second principle ? plz enlighten us ....

tnx..prof .
Re: Nairaland Mathematics Clinic by profmathsland(m): 12:30am On Feb 01, 2016
Chuks0485:
(1)why is it dat in integration of say, dy/dx we separate dy/dx as dy=dx in order to perform our integration wer as d operator (d/dx) is inseperable?


(2)What is d proper definition of d term mathematics?


(3)What is a number?


(4)In mathematics, what is a point(.)?


1.Integration is the reverse process of differentiation.The essence of doing that(I.e dy=dx) is to get the original function.
2.Mathematics is the study of numbers,quantity,space,structure and change.It is used throughout the world as an essential tool in many fields,including natural sciences,engineering,medicine and the social sciences.
3.A number is a mathematical object that can be used to count,measure and label.
4.A point in mathematics is an exact position or location on a surface.Note that it is not a thing but a place.The position of a point is indicated by placing a dot with a pencil.A point has no dimensions.

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Re: Nairaland Mathematics Clinic by johnpaul1101(m): 11:03am On Feb 01, 2016
agentofchange1:
ok..which 1 is the second principle ? plz enlighten us ....

tnx..prof .
abeg make una no blame me. I meant FIRST PRINCIPLE.
serious sleep dey my eyes/brain wen i dey type.
It should be 'first principle'
Re: Nairaland Mathematics Clinic by DatechMan(m): 11:37am On Feb 01, 2016
johnpaul1101:

abeg make una no blame me. I meant FIRST PRINCIPLE.
serious sleep dey my eyes/brain wen i dey type.
It should be 'first principle'
Lol grin
We thought as much. But since we are all learners, one can't be too sure.
Thanks for shedding light.

Good morning all. Happy new month.

#GodBlesssNigeria
Re: Nairaland Mathematics Clinic by strictlynaija: 12:47pm On Feb 01, 2016
Hello people, someone should help me with how to integrate secx
Re: Nairaland Mathematics Clinic by thankyouJesus(m): 5:33pm On Feb 01, 2016
strictlynaija:
Hello people, someone should help me with how to integrate secx
use half angle i.e. tanx/2=t. Use Pythagora's theorem to get cosx. You should be able to continue from here
Re: Nairaland Mathematics Clinic by Nobody: 7:13am On Feb 03, 2016
The present value of an annuity is N7000. What is the size of the quarterly payment if its being compounded for 10yrs @ 8% compound quarterly? I have solve something but I just want to sure guys
Re: Nairaland Mathematics Clinic by dprinz99(m): 12:48pm On Feb 05, 2016
DatechMan:


Correct the questions if I'm mistaken.

1.

1/8 * 7-3 = y3

2-3 * 7-3 = y3

(2*7)-3 = (1/y)-3

2*7 = 1/y

y = 1/14


2.


(√5 -2)2 - z = (1 - √20)2

z = (√5 -2)2 - (1 - √20)2

z = 5 - 4√5 + 4 - 1 + 2√20 - 20

z = -12 - 4√5 + 2√20

z = -12 - 4√5 + 4√5

z = -12

thanks bro
pls for number one

did u equate the powers?

number 2 I dnt really understand,especially,the zpansion of the 1-root2)^2.
Re: Nairaland Mathematics Clinic by dprinz99(m): 1:27pm On Feb 05, 2016
If alpha and beta are the root of the equation
ax^2+bx+c=0,where a,b and care constant.
find in terms of a,b n c the expression for
1)1/alpha^2+1/beta^2
2)alpha^3+beta^3.

pls alpha and beta r in symbols
Re: Nairaland Mathematics Clinic by Mathemagician1(m): 4:12pm On Feb 05, 2016
youngdude1:
The present value of an annuity is N7000. What is the size of the quarterly payment if its being compounded for 10yrs @ 8% compound quarterly? I have solve something but I just want to sure guys

Here you go.

Re: Nairaland Mathematics Clinic by ladokuntlad(m): 5:13pm On Feb 05, 2016
dprinz99:
If alpha and beta are the root of the equation
ax^2+bx+c=0,where a,b and care constant.
find in terms of a,b n c the expression for
1)1/alpha^2+1/beta^2
2)alpha^3+beta^3.

pls alpha and beta r in symbols
if alpha is $ and beta is # den
$+#= -b/a and $#=c/a

now 1/$2+1/#2 is written as

($2+#2)/$2#2 ------------------(1)

now from the expansion of
($+#)2=$2+#2+2$#
wich implies
($+#)2-2$#=$2+#2
subtitute into (1) dats all and put d values


for d second one, we use pascal triangle to expand i.e
($+#)3=$3+3$2#+3$#2+#3

($+#)3-3$2#-3$#2=$3+#3
simplifying gives

($+#)3-3$#($+#)=$3+#3

insert d values of ($+#) and $# i.e -b/a and c/a
Re: Nairaland Mathematics Clinic by Nobody: 3:31pm On Feb 07, 2016
Mathemagician1:


Here you go.
thanks man
Re: Nairaland Mathematics Clinic by TDyke: 3:51pm On Feb 08, 2016
I'm trying to figure out how to modify the - 1/4 and make it 1. Help please. Only then can I invert back to time domain. I thought to multiply through with - 4 so I can achieve 1. But is is altering the standard form. Because I end up multiplying - 4 to the s term in the denominator Thanks

Re: Nairaland Mathematics Clinic by Nobody: 5:40pm On Feb 08, 2016
Wowwww! !!!!!!!! shocked


When will I get to this level?? angry
Re: Nairaland Mathematics Clinic by agentofchange1(m): 5:56pm On Feb 08, 2016
TDyke:
I'm trying to figure out how to modify the - 1/4 and make it 1. Help please. Only then can I invert back to time domain. I thought to multiply through with - 4 so I can achieve 1. But is is altering the standard form. Because I end up multiplying - 4 to the s term in the denominator Thanks
. what the actual question ur trying to solve ? guess its a Laplace transformation ..
Re: Nairaland Mathematics Clinic by TDyke: 7:33pm On Feb 08, 2016
agentofchange1:
. what the actual question ur trying to solve ? guess its a Laplace transformation ..

Yes please. To the time domain
Re: Nairaland Mathematics Clinic by ElDeeVee(m): 8:17pm On Feb 08, 2016
TDyke:
I'm trying to figure out how to modify the - 1/4 and make it 1. Help please. Only then can I invert back to time domain. I thought to multiply through with - 4 so I can achieve 1. But is is altering the standard form. Because I end up multiplying - 4 to the s term in the denominator Thanks

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Re: Nairaland Mathematics Clinic by Favolly(f): 9:55pm On Feb 08, 2016
[quote author=ElDeeVee post=42742414][/quote]
Hmmn...

Just look at all that maths language lipsrsealed

I don't know what any of that means but what I know is that I'm turned on already

*OkByeBye

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Re: Nairaland Mathematics Clinic by tolutweety(m): 10:58pm On Feb 08, 2016
ElDeeVee:

.

No be today this man don dey do laplace transformation.
I see you.

wink smiley smiley
Re: Nairaland Mathematics Clinic by E383: 11:20pm On Feb 08, 2016
TDyke:
I'm trying to figure out how to modify the - 1/4 and make it 1. Help please. Only then can I invert back to time domain. I thought to multiply through with - 4 so I can achieve 1. But is is altering the standard form. Because I end up multiplying - 4 to the s term in the denominator Thanks

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Re: Nairaland Mathematics Clinic by TDyke: 5:44am On Feb 09, 2016
[quote author=ElDeeVee post=42742414][/quote]

Thanks
Re: Nairaland Mathematics Clinic by TDyke: 5:44am On Feb 09, 2016
[quote author=E383 post=42747225][/quote]


Thanks
Re: Nairaland Mathematics Clinic by ElDeeVee(m): 6:11am On Feb 09, 2016
tolutweety:


No be today this man don dey do laplace transformation.
I see you.

wink smiley smiley
Boss, you taught us these things and we are grateful to you.

How's work?

2 Likes 1 Share

Re: Nairaland Mathematics Clinic by Jamean(f): 7:29am On Feb 09, 2016
what is the essence of all these Maths in real life sef undecided
Re: Nairaland Mathematics Clinic by thankyouJesus(m): 9:45am On Feb 09, 2016
Jamean:
what is the essence of all these Maths in real life sef undecided
A lot, from computing, robotics, aviation, engineering, finance, research, crime fighting, to endless lists
Re: Nairaland Mathematics Clinic by tolutweety(m): 11:39am On Feb 09, 2016
ElDeeVee:

Boss, you taught us these things and we are grateful to you.

How's work?

Work dey o . How's yours ?

We seeing how we can apply the maths we know,to making the money,in real life .

wink smiley
Re: Nairaland Mathematics Clinic by ElDeeVee(m): 12:44pm On Feb 09, 2016
Jamean:
what is the essence of all these Maths in real life sef undecided
A lot, dear.

Better than all those payable and receivable gimmicks.
Re: Nairaland Mathematics Clinic by TDyke: 3:40pm On Feb 09, 2016
Jamean:
what is the essence of all these Maths in real life sef undecided

Essentially to Solve Real life problems. To near accurately solve real life problems we model them to mathematical Equations
Re: Nairaland Mathematics Clinic by Jamean(f): 11:26pm On Feb 09, 2016
ElDeeVee:
A lot, dear.
Better than all those payable and receivable gimmicks.
hahaha... the receivables and payable gives your stipend you know wink
Re: Nairaland Mathematics Clinic by popewilz(m): 9:27am On Feb 12, 2016
I hv some tough maths for finals.its so confusing i really nod help
Re: Nairaland Mathematics Clinic by Kowor(f): 1:45pm On Feb 12, 2016
Hi, pls I need a mathematician to tutor me. Am an OOU student. Tnx

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