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#51 Re: Help Me ! » i need your help! » 2006-11-17 16:08:01

prove that (-1,2) + t(3,1) where t is equal to zero
and
(2,3) + t(3,1) where t is equal to one
ARE EQUAL.

#52 Help Me ! » i need your help! » 2006-11-17 16:04:01

haruka-san
Replies: 2

ei,, i need your help

this is about parametric representation/equation.

this is the problem: FIND THE PARAMETRIC EQUATION FOR THE LINE ALPHA PASSING THROUGH THE POINTS A=(-1,2) B=(2,3)

AND PROVE THAT    "(-1,2)+t(3,1) =) t=0 "   and     "(2,3)+t(3,1) =) t=1" ARE EQUAL.

to those who can help THANK YOU! THANK YOU! THANK YOU!:kiss

#53 Re: Introductions » hello » 2006-11-17 15:49:00

hello soha! welcome to the forum!!

#56 Re: Introductions » hi! (._"_.) » 2006-11-17 15:40:33

coolcat23 wrote:

Welcome haruka-san!

Thanks!kiss

#57 Re: Help Me ! » linear algebra » 2006-11-12 16:21:08

is spanning vector is the same as spanning set??? *confused*

#58 Re: Introductions » hi! (._"_.) » 2006-11-12 15:59:15

wow!! the cat is so CUTE!!!!!! and shes dancing

#59 Re: Help Me ! » Symbolic Logic » 2006-11-12 15:56:11

at last i found a book in symbolic logic! yehey!!
i have read the first chapter and i think studying symbolic logic will be fun.. am i right??

#60 Re: Introductions » hi! (._"_.) » 2006-11-10 18:47:11

i really enjoy this forum! *wink*

#61 Re: Maths Teaching Resources » Crazy Teachers » 2006-11-10 18:38:56

WOW yesterday im just a novice! and now im a member..

#62 Re: Maths Teaching Resources » Crazy Teachers » 2006-11-10 18:36:39

yah devante your right!
before i encounter a crazy teacher.. and my experience with her is horrible!!
actually she keep shouting and nagging our class.. shes ridiculous!!

but thank god before the final exam last semester.. she changed her attitude.. what a miracle! heheh

#63 Re: Introductions » hi! (._"_.) » 2006-11-10 18:29:33

Toast wrote:

I really hope I will be able to learn japanese soon, but it'll have to be when I finish school
konichi-wa haruka-san, and enjoy your stay ^_^

i just know a little of japanese.. hehe.. i just enjoy japanese language...

#64 Re: Introductions » hi! (._"_.) » 2006-11-10 18:25:58

to all of you.. Thanks for your warm welcome!! i really appreciate it!! *smile*

#65 Re: Introductions » hi! (._"_.) » 2006-11-10 18:24:35

MathsIsFun wrote:

Konichi-wa haruka-san.

Silly question, but are you Japanese?

haha.. honestly,, im not a japanese..

#66 Re: Help Me ! » Symbolic Logic » 2006-11-10 18:19:09

Ricky wrote:

Symbol logic is simply expressing a statement with symbols.

Let:

M = Mary likes cheese
B = Bob hates milk
R = Robert feels sick
S = Sally won the game

So

If Mary likes cheese and Bob hates milk or Robert feels sick, or Mary does not like cheese and Bob does not hate milk, then Sally won the game.

Becomes:

( (M^B)vR ) v(~M ^ ~B) -> S

WOW! thanks it helps a lot..up

#67 Re: Maths Teaching Resources » Crazy Teachers » 2006-11-09 18:07:43

MathsIsFun wrote:

Yes, we hope so too!

thanks.

#68 Re: Introductions » hi » 2006-11-09 18:00:29

hellowave

nice name ganitham!! up

#69 Re: Introductions » Hi! » 2006-11-09 17:57:46

whitetiger wrote:

Hi! I'm Nate and I just started a math help forum! I need help from people that actually know something about math. tongue So if you're interested, go to http://z10.invisionfree.com/MathHelp101 !

goodluck to your forum!!up

#70 Re: Help Me ! » divide » 2006-11-09 17:51:46

x^3 is it read as x raised to 3??

you are dividing polynomials.. right?
i think that is not the right way to divide it..

oh.. i have to get my pencil..

#71 Help Me ! » Symbolic Logic » 2006-11-09 17:41:48

haruka-san
Replies: 6

i know that the term LOGIC is very familiar.. actually we have this subject SYMBOLIC LOGIC.. we havent started yet the classes..i am just confused,, is it the same with the subject logic? how does it differ from one another?? anybody who has an idea??

thanks..

#72 Introductions » hi! (._"_.) » 2006-11-09 17:36:07

haruka-san
Replies: 29

hello everybody...wave i new in here.. i joined because i know that i will learn a lot in this forum,,:D
i hope that i will meet some friends here..
thats all..

thank you!up

#74 Re: Maths Teaching Resources » Crazy Teachers » 2006-11-08 18:24:25

math teachers?? hmm.. after two years i will be a math teacher...
i hope i will not be a crazy teacher! LOL

#75 Help Me ! » linear algebra » 2006-11-08 18:13:22

haruka-san
Replies: 3

konichiiwa.. im new in here...
this is the first topic that i post... actually im a college student,, im  taking up education (major in math) haharoflol i dont know why i took the course.. anyway last monday is the start of our 2nd semester and we have this subject LINEAR ALGEBRA.. it is actually a combination of algebra and geometry! the problem there is its hard for me to find some reference book because there is only limited books of that subject in our library..dizzy

anyway...is there anybody here who can help me understand the ff.
1. dot product of a vector
2. subtraction of vector
3. spanning vector
4. translation vector
5. parametric representation
6. scalar multiplication

actually some of the explanation at the book is hard to understand..

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