Let V be the set of all positive real numbers. Determine whether V is a vector space with the following operations. x + y = xy Addition CX = xC Scalar multiplication If it is, then verify each vector space axiom; if it is not, then state all vector space axioms that fail.

Elementary Linear Algebra (MindTap Course List)
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Chapter4: Vector Spaces
Section4.2: Vector Spaces
Problem 37E: Let V be the set of all positive real numbers. Determine whether V is a vector space with the...
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(6)
cu is in V.
This axiom holds.
O This axiom fails.
(7)
c(u + v) = cu + cv
This axiom holds.
O This axiom fails.
(c + d)u = cu + du
O This axiom holds.
(8)
This axiom fails.
(9)
c(du) = (cd)u
This axiom holds.
O This axiom fails.
(10) 1(u) = u
O This axiom holds.
O This axiom fails.
STEP 2: Use your results from Step 1 to decide whether V is a vector space.
O V is a vector space.
O Vis not a vector space.
Transcribed Image Text:(6) cu is in V. This axiom holds. O This axiom fails. (7) c(u + v) = cu + cv This axiom holds. O This axiom fails. (c + d)u = cu + du O This axiom holds. (8) This axiom fails. (9) c(du) = (cd)u This axiom holds. O This axiom fails. (10) 1(u) = u O This axiom holds. O This axiom fails. STEP 2: Use your results from Step 1 to decide whether V is a vector space. O V is a vector space. O Vis not a vector space.
Let V be the set of all positive real numbers. Determine whether V is a vector space with the following operations.
х+у 3D ху
Addition
CX = xC
Scalar multiplication
If it is, then verify each vector space axiom; if it is not, then state all vector space axioms that fail.
STEP 1: Check each of the 10 axioms.
u + v is in V.
O This axiom holds.
(1)
This axiom fails.
(2)
u + v = v + u
This axiom holds.
This axiom fails.
u + (v + w) = (u + v) + w
O This axiom holds.
(3)
This axiom fails.
(4)
V has a zero vector 0 such that for every u in V, u + 0 = u.
This axiom holds.
This axiom fails.
(5)
For every u in V, there is a vector in V denoted by –u such that u + (-u) = 0.
This axiom holds.
This axiom fails.
Transcribed Image Text:Let V be the set of all positive real numbers. Determine whether V is a vector space with the following operations. х+у 3D ху Addition CX = xC Scalar multiplication If it is, then verify each vector space axiom; if it is not, then state all vector space axioms that fail. STEP 1: Check each of the 10 axioms. u + v is in V. O This axiom holds. (1) This axiom fails. (2) u + v = v + u This axiom holds. This axiom fails. u + (v + w) = (u + v) + w O This axiom holds. (3) This axiom fails. (4) V has a zero vector 0 such that for every u in V, u + 0 = u. This axiom holds. This axiom fails. (5) For every u in V, there is a vector in V denoted by –u such that u + (-u) = 0. This axiom holds. This axiom fails.
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