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anonymous
 4 years ago
LINEAR ALGEBRA. verifying (k+m)(u)=ku+mu... where k,m are any integers and u is an element of V={(x,y,z)  z=3}. addition defined by (x1,y1,z1)+(x2,y2,z2) = (x1+x2,y1+y2,3) scalar multiplication defined by s(x,y,z)=(sx,sy,3)
anonymous
 4 years ago
LINEAR ALGEBRA. verifying (k+m)(u)=ku+mu... where k,m are any integers and u is an element of V={(x,y,z)  z=3}. addition defined by (x1,y1,z1)+(x2,y2,z2) = (x1+x2,y1+y2,3) scalar multiplication defined by s(x,y,z)=(sx,sy,3)

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I am learning linear algebra as well, can you tell me what topic this comes from ?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0determining is v is a vector space... so we have to verify the ten axioms

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so we are finding what order space this is?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0mm.. what u mean with order space?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0line plane is 2nd order space, line is 1st order space

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0ohhh,,, well my example is already i 3 space

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0if u already covered this section.. we defined vector space as a set of vectors on which are defined by two operations: 1) vector addition 2) vector multiplication and must satisfy 10 axioms

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.02)scalar multiplication***

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I know about first two , but never heard of this '10 axioms' stuff

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0are you learning it independently or with class?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01. u + v 2 V (V is closed under addition) 2. u + v = v + u (commutative property) 3. (u + v) + w = u + (v + w) (associative property) 4. There exists a vector in V , called the zero vector and denoted 0 such that u + 0 = u (additive identity) 5. For every vector u in V , there exists a vector u also in V such that u + (u) = 0 (additive inverse) 6. cu 2 V (V is closed under scalar multiplication) 7. c (u + v) = cu + cv 8. (c + d) u = cu + du 9. c (du) = (cd) u 10. 1u = u

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so in this case im trying to verify number 8

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0distributive property

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0do you watch MIT lectures

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0are u learning independenly

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I tend to do better in class , if I already learned it beforehand

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0have you done differential equation yet?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0let me know if you need any help with differential equation; I am really good at it

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0:).. cool... i like derivative for some reasons... where im having a little trouble is in double and triple integrals... are u also learning that independnly

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0no, I just finished the class this semseter

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so u r good with double and triples integrals too?

mathmate
 4 years ago
Best ResponseYou've already chosen the best response.0Given u(x,y,z), (x1,y1,z1)+(x2,y2,z2) = (x1+x2,y1+y2,3) s(x,y,z)=(sx,sy,3) Assuming vector space is defined over field F such as R. (k+m)(u) =(k+m)(x,y,3) [definition of u] =((k+m)x,(k+m)y,3) [definition of scalar multiplication] =(kx+mx, ky+my,3) [distributivity defined over F] =(kx,ky,3)+(mx,my,3) [definition of addition] =k(x,y,3)+m(x,y,3) [definition of scalar multiplication] =ku+mu [definition of u] QED
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