х • { [ ] | ²26} * y Consider W = (a) Determine whether W is closed under addition, is closed under scalar multiplication, is a subspace of M2x2. Justify your answer in details. (b) If we change the condition to z ≤ 6, do you think any of the answers in part (a) will change? Justify your answer in details.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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= { [ ² ] | ²20}
•
6
Z
Consider W =
(a) Determine whether W is closed under
addition, is closed under scalar multiplication, is a
subspace of M₂2x2. Justify your answer in details.
(b) If we change the condition to z ≤ 6, do you
think any of the answers in part (a) will
change? Justify your answer in details.
Transcribed Image Text:0 = { [ ² ] | ²20} • 6 Z Consider W = (a) Determine whether W is closed under addition, is closed under scalar multiplication, is a subspace of M₂2x2. Justify your answer in details. (b) If we change the condition to z ≤ 6, do you think any of the answers in part (a) will change? Justify your answer in details.
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