1. Which of the following sets constitute a subspace of R2? Why or why not? Illustrate each set, regardless if it is a subspace of R2 or not, with a picture. (a) All vectors of the form (b) All vectors of the form √ a 2+a a (T)MATE ods odines (6) TASR sdt adines (d)

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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**Question 1: Subspaces of \( \mathbb{R}^2 \)**

Determine which of the following sets constitute a subspace of \( \mathbb{R}^2 \). Provide reasons for your answer. Regardless of whether each set is a subspace of \( \mathbb{R}^2 \) or not, illustrate each set with a diagram.

(a) All vectors of the form \(\begin{bmatrix} 2a \\ a \end{bmatrix}\).

(b) All vectors of the form \(\begin{bmatrix} 2 + a \\ a \end{bmatrix}\).
Transcribed Image Text:**Question 1: Subspaces of \( \mathbb{R}^2 \)** Determine which of the following sets constitute a subspace of \( \mathbb{R}^2 \). Provide reasons for your answer. Regardless of whether each set is a subspace of \( \mathbb{R}^2 \) or not, illustrate each set with a diagram. (a) All vectors of the form \(\begin{bmatrix} 2a \\ a \end{bmatrix}\). (b) All vectors of the form \(\begin{bmatrix} 2 + a \\ a \end{bmatrix}\).
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