= {(: ") e v : a,b,c, € F}, w. = { (; ") : a, 6.c € F}- a b { (; 2) : a,6, c € F}. Find the basis and dimension for (a) W1 (b) W2 (c) W1 +W2 (d) W1 N W2

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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Linear Algebra

Using Linear Algebra 4th edition J. Hefferon

 

 

 

Let \( V = M_{2x2}(F) \), 

\[ W_1 = \left\{ \begin{pmatrix} a & b \\ c & a \end{pmatrix} \in V : a, b, c \in F \right\}, \] 

\[ W_2 = \left\{ \begin{pmatrix} a & b \\ 0 & c \end{pmatrix} : a, b, c \in F \right\}. \]

Find the basis and dimension for:

(a) \( W_1 \)

(b) \( W_2 \)

(c) \( W_1 + W_2 \)

(d) \( W_1 \cap W_2 \)
Transcribed Image Text:Let \( V = M_{2x2}(F) \), \[ W_1 = \left\{ \begin{pmatrix} a & b \\ c & a \end{pmatrix} \in V : a, b, c \in F \right\}, \] \[ W_2 = \left\{ \begin{pmatrix} a & b \\ 0 & c \end{pmatrix} : a, b, c \in F \right\}. \] Find the basis and dimension for: (a) \( W_1 \) (b) \( W_2 \) (c) \( W_1 + W_2 \) (d) \( W_1 \cap W_2 \)
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