Let T : V → W be a linear transformation from a vector space V into a vector space W. Prove that the range of T is a subspace of W. [Hint: Vectors in the range of T have the form T(v) for some v in V.]

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.4: Linear Transformations
Problem 34EQ
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please sove both problems im having trouble on them 

3. Let T : V → W be a linear transformation from a vector space V into a vector
space W. Prove that the range of T is a subspace of W. [Hint: Vectors in the range
of T have the form T(v) for some v in V.]
[p(0)]
[P(1)|
For example if p(t) = 3 + 4t + 5t² then T(p) = :
4. Define T : P2 → R² by T(p)
(a) Show that T is a linear transformation.
(b) Find a polynomial in the kernel of T.
(c) What is the range of T?
Transcribed Image Text:3. Let T : V → W be a linear transformation from a vector space V into a vector space W. Prove that the range of T is a subspace of W. [Hint: Vectors in the range of T have the form T(v) for some v in V.] [p(0)] [P(1)| For example if p(t) = 3 + 4t + 5t² then T(p) = : 4. Define T : P2 → R² by T(p) (a) Show that T is a linear transformation. (b) Find a polynomial in the kernel of T. (c) What is the range of T?
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