8. Let V and W be the vector spaces and T : V → W be linear. (a) Prove that T is one-to-one if and only if T carries linearly independent subsets of V onto linearly independent subsets of W. (b) Suppose that T is one-to-one and that S is a subset of V. Prove that S is linearly independent if and only if T(S) is linearly independent. (c) Suppose 3 = {v1, t2, ., v,} is a basis for V and T is one-to-one and onto. Prove that T(3) = {T(v1), T(v2), .. ,T(v,)} is a basis for W.
8. Let V and W be the vector spaces and T : V → W be linear. (a) Prove that T is one-to-one if and only if T carries linearly independent subsets of V onto linearly independent subsets of W. (b) Suppose that T is one-to-one and that S is a subset of V. Prove that S is linearly independent if and only if T(S) is linearly independent. (c) Suppose 3 = {v1, t2, ., v,} is a basis for V and T is one-to-one and onto. Prove that T(3) = {T(v1), T(v2), .. ,T(v,)} is a basis for W.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.4: Linear Transformations
Problem 24EQ
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