1. a. b. Let V be the set of real-valued functions that are defined at each x in the interval (-∞, ∞). If ƒ = f(x) and g = g(x) are two functions in V and if k is any scalar, then define the operations of addition and scalar multiplication by (ƒ+g) = f(x) + g(x) kƒ = kf(x) Verify the Vector Space Axioms for the given set of vectors. Let V consist of the form ū = (U₁, U2, ..., Un, ...) in which 1, U1, U2, ..., Un, ... is an infinite sequence of real numbers. Define two infinite sequences to be equal if their corresponding components are equal, and define addition and scalar multiplication componentwise by u + v = (u₁, U2, ..., Un, ...) + (V1, V2, ..., Un, ...) 1, (u₁ + v₁, U2 + V2, ..., Un + Un, ...) = ku = (ku₁, ku2, kun, ...). Prove that the given set is a vector space.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1.
a.
Let V be the set of real-valued functions that are defined at each x in the
interval (-∞, ∞). If ƒ* = f(x) and ĝ = g(x) are two functions in V and if
k is any scalar, then define the operations of addition and scalar
multiplication by
(ƒ + g) = f(x) + g(x)
kƒ = kf(x)
Verify the Vector Space Axioms for the given set of vectors.
b.
Let V consist of the form u = (U₁, U2, ..., Un, ...) in which
U1, U2, ..., Un, ... is an infinite sequence of real numbers. Define two
infinite sequences to be equal if their corresponding components are equal,
and define addition and scalar multiplication componentwise by
ū+ v = (U₁, U2, ..., Un, ...) + (V₁, V2, ..., Un, ...)
= (u₁ + V₁, U₂ + V2, ..., Un + Vn, ...)
ku = (ku₁, ku2,..., kun, ...).
Prove that the given set is a vector space.
Transcribed Image Text:1. a. Let V be the set of real-valued functions that are defined at each x in the interval (-∞, ∞). If ƒ* = f(x) and ĝ = g(x) are two functions in V and if k is any scalar, then define the operations of addition and scalar multiplication by (ƒ + g) = f(x) + g(x) kƒ = kf(x) Verify the Vector Space Axioms for the given set of vectors. b. Let V consist of the form u = (U₁, U2, ..., Un, ...) in which U1, U2, ..., Un, ... is an infinite sequence of real numbers. Define two infinite sequences to be equal if their corresponding components are equal, and define addition and scalar multiplication componentwise by ū+ v = (U₁, U2, ..., Un, ...) + (V₁, V2, ..., Un, ...) = (u₁ + V₁, U₂ + V2, ..., Un + Vn, ...) ku = (ku₁, ku2,..., kun, ...). Prove that the given set is a vector space.
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