Let H be the set of all vectors of the form is a subspace of R³? H = Span{v} for v = 5t t . Find a vector v in R³ such that H = Span{v}. Why does this show that 7t

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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1)

Let \( H \) be the set of all vectors of the form 

\[
\begin{bmatrix}
5t \\
t \\
7t
\end{bmatrix}
\]

Find a vector \( \mathbf{v} \) in \( \mathbb{R}^3 \) such that \( H = \text{Span}\{\mathbf{v}\} \). Why does this show that \( H \) is a subspace of \( \mathbb{R}^3 \)?

\[ H = \text{Span}\{\mathbf{v}\} \text{ for } \mathbf{v} = \boxed{\phantom{000}} \]
Transcribed Image Text:Let \( H \) be the set of all vectors of the form \[ \begin{bmatrix} 5t \\ t \\ 7t \end{bmatrix} \] Find a vector \( \mathbf{v} \) in \( \mathbb{R}^3 \) such that \( H = \text{Span}\{\mathbf{v}\} \). Why does this show that \( H \) is a subspace of \( \mathbb{R}^3 \)? \[ H = \text{Span}\{\mathbf{v}\} \text{ for } \mathbf{v} = \boxed{\phantom{000}} \]
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