Question
In: Advanced Math
Which of the following sets are closed under addition? (i) The set of all vectors in...
Which of the following sets are closed under addition?
(i) The set of all vectors in R2 of the form (a, b) where b =
a2.
(ii) The set of all 3 × 3 matrices that have the vector [3 -1
-1]T as an eigenvector.
(iii) The set of all polynomials in P2 of the form a0 + a1 x +
a2 x2 where a0 = a2.
(A) (i) only (B) all of them (C) (ii) only (D) (i) and (iii)
only (E) (iii) only (F) none of them (G) (ii) and (iii) only (H)
(i) and (ii) only
Solutions
Colby Messinger answered 2 years agoRelated Solutions
Which of the following sets are closed under addition? (i) The set of all vectors in...
Which of the following sets are closed under addition?
(i) The set of all vectors in R2 of the
form (a, b) where b = a.
(ii) The set of all 3 × 3 matrices that have the vector
[-1 3 -3]T as an
eigenvector.
(iii) The set of all polynomials in P2 of
the form a0 + a1 x
+ a2 x2 where
a0 = a22.
Which of the following sets are closed under addition? (i) The set of all vectors in...
Which of the following sets are closed under addition?
(i) The set of all vectors in R2 of the
form (a, b) where b = a.
(ii) The set of all 2 × 2 matrices that have the vector
[-2 -3]T as an eigenvector.
(iii) The set of all polynomials in P2 of
the form a0 + a1 x
+ a2 x2 where
a0 = a22.
Consider the following sets. (i) All vectors (a, b) in R2 such that ab ≠ 0....
Consider the following sets.
(i) All vectors (a, b) in
R2 such that ab ≠ 0.
(ii) All matrices A in M22 such
that AT = −A.
(iii) All polynomials a0 +
a1x +
a2x2 in
P2 such that a0 = 0.
Determine whether each of the above sets is closed under addition
or NOT closed under addition .
Let ?V be the set of vectors in ?2R2 with the following definition of addition and...
Let ?V be the set of vectors in ?2R2 with the following
definition of addition and scalar multiplication:
Addition: [?1?2]⊕[?1?2]=[0?2+?2][x1x2]⊕[y1y2]=[0x2+y2]
Scalar Multiplication: ?⊙[?1?2]=[0??2]α⊙[x1x2]=[0αx2]
Determine which of the Vector Space Axioms are satisfied.
A1. ?⊕?=?⊕?x⊕y=y⊕x for any ?x and ?y in ?V
? YES NO
A2. (?⊕?)⊕?=?⊕(?⊕?)(x⊕y)⊕z=x⊕(y⊕z) for any ?,?x,y and ?z in
?V
? YES NO
A3. There exists an element 00 in ?V such that ?⊕0=?x⊕0=x for
each ?∈?x∈V
? YES NO
A4. For each ?∈?x∈V, there exists an...
Determine all values of a for which the following set of vectors is dependent or independent....
Determine all values of a for which the following set of vectors
is dependent or independent. You can select 'always', 'never', 'a =
', or 'a ≠', then specify a value or comma-separated list of
values. ⎧ ⎪ ⎨ ⎪ ⎩⎫ ⎪ ⎬ ⎪ ⎭a001, 12−2−2, 48−8−9Dependent: When a =
0Independent: When a ≠ 0
1) a. Which of the following sets are the empty set? i. { x | x...
1)
a. Which of the following sets are the empty
set?
i. { x | x is a real number and x2 – 1 = 0 }
ii. { x | x is a real number and x2 + 1 = 0 }
iii. { x | x is a real number and x2 = -9 }
iv. { x | x is a real number and x = 2x + 1 }
b. Let A = {1, 2, 3,...
Determine whether the set with the definition of addition of vectors and scalar multiplication is a...
Determine whether the set with the definition of addition of
vectors and scalar multiplication is a vector space. If it is,
demonstrate algebraically that it satisfies the 8 vector axioms. If
it's not, identify and show algebraically every axioms which is
violated. Assume the usual addition and scalar multiplication if
it's not identified. V = R^2 , < X1 , X2 > + < Y1 , Y2
> = < X1 + Y1 , 0> c< X1 , X2 >...
Determine whether the set with the definition of addition of vectors and scalar multiplication is a...
Determine whether the set with the definition of addition of
vectors and scalar multiplication is a vector space. If it is,
demonstrate algebraically that it satisfies the 8 vector axioms. If
it's not, identify and show algebraically every axioms which is
violated. Assume the usual addition and scalar multiplication if
it's not defined. V = { (x1, x2, x3) ∈ R^3 | x1 > or equal to 0,
x2 > or equal to 0, x3 > or equal to 0}
Determine whether the set with the definition of addition of vectors and scalar multiplication is a...
Determine whether the set with the definition of addition of
vectors and scalar multiplication is a vector space. If it is,
demonstrate algebraically that it satisfies the 8 vector axioms. If
it's not, identify and show algebraically every axioms which is
violated. Assume the usual addition and scalar multiplication if
it's not defined. V = { f : R --> R | f(1) = 0 }
Determine whether the set with the definition of addition of vectors and scalar multiplication is a...
Determine whether the set with the definition of addition of
vectors and scalar multiplication is a vector space. If it is,
demonstrate algebraically that it satisfies the 8 vector axioms. If
it's not, identify and show algebraically every axioms which is
violated. Assume the usual addition and scalar multiplication if
it's not defined. V = {all polynomials with real coefficients with
degree > or equal to 3 and the zero polynomial}
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