9. Let V be a set consisting of a single element z. De- fine addition and scalar multiplication on V by 'z = 2+ 2 2 = 2) Show that V is a vector space. Such a vector space is called a zero vector space.

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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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Number 9 show all work
0.
numbers Ln-=1 an. Is S a vector space under the
convergent series of real
addition and scalar multiplication
00
E an +E bn =
(an + bn),
n=1
n=1
n=1
Σ
Eca,?
An =
n=1
n=1
real
If not, why not?
and
9. Let V be a set consisting of a single element z. De-
fine addition and scalar multiplication on V by
y^).
'z = 2+ 2
Cz = z.
Show that V is a vector space. Such a vector space
ition
is called a zero vector space.
10. Prove part (2) of Theorem 2.2.
11. Prove that if c is a real number and v is a vector in a
vector space V such that cv = 0, then either c = 0
or v = 0.
wector
ces of
ler the
12. Show that subtraction is not an associative operation
on a vector space.
NNING SETS
- with subspaces. Roughly speaking, by a subspace
vithin a larger vector space. The following definition states u
we mean a
A subset W of a vector space V is cailed a subspace of V if W
-pace under the addition and scalar mu
ion of V restricted
all column vectors of the
Transcribed Image Text:0. numbers Ln-=1 an. Is S a vector space under the convergent series of real addition and scalar multiplication 00 E an +E bn = (an + bn), n=1 n=1 n=1 Σ Eca,? An = n=1 n=1 real If not, why not? and 9. Let V be a set consisting of a single element z. De- fine addition and scalar multiplication on V by y^). 'z = 2+ 2 Cz = z. Show that V is a vector space. Such a vector space ition is called a zero vector space. 10. Prove part (2) of Theorem 2.2. 11. Prove that if c is a real number and v is a vector in a vector space V such that cv = 0, then either c = 0 or v = 0. wector ces of ler the 12. Show that subtraction is not an associative operation on a vector space. NNING SETS - with subspaces. Roughly speaking, by a subspace vithin a larger vector space. The following definition states u we mean a A subset W of a vector space V is cailed a subspace of V if W -pace under the addition and scalar mu ion of V restricted all column vectors of the
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