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Prove the following generalization of Theorem 2.6: Let V and W be vector spaces over a

Chapter 2, Problem 34

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QUESTION:

Prove the following generalization of Theorem 2.6: Let V and W be vector spaces over a common field, and let ft be a basis for V. Then for any function f:ft>\N there exists exactly one linear transformation T: V -+ W such that T(x) = f(x) for all x ft.

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QUESTION:

Prove the following generalization of Theorem 2.6: Let V and W be vector spaces over a common field, and let ft be a basis for V. Then for any function f:ft>\N there exists exactly one linear transformation T: V -+ W such that T(x) = f(x) for all x ft.

ANSWER:

Step 1 of 2

Given that V and W be vector spaces over a common field, say F and be a basis for V.

Let be an arbitrary function.

We consider .

Since be an arbitrary function and is a basis for V, there exists a linear transformation such that  for all .

To prove that T is unique.

Let us consider an arbitrary element . Then,

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