2. Which of the following maps are homomorphisms? If the map is a homomorphism, what is the kernel? a. 6: R* → GL₂(R) defined by b. : R→GL2(R) defined by (a) = - (12) 0 φ(α) = 1 (²₂9)

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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Parts (b,c,d,e) please

2. Which of the following maps are homomorphisms? If the map is a
homomorphism, what is the kernel?
a. : R* → GL₂(R) defined by
b. : R→GL2(R) defined by
c. : GL₂(R) → R defined by
d. : GL₂(R) → R* defined by
e. : M₂(R) → R defined by
= (1 2)
0
o(a) =
1
o(a) = = (₁9)
* ((a $)).
=a+d
a
6
¹ ((ª $)) =
ad - bc
ø ((a d)) = 6,
where M₂ (R) is the additive group of 2 × 2 matrices with entries in R.
Transcribed Image Text:2. Which of the following maps are homomorphisms? If the map is a homomorphism, what is the kernel? a. : R* → GL₂(R) defined by b. : R→GL2(R) defined by c. : GL₂(R) → R defined by d. : GL₂(R) → R* defined by e. : M₂(R) → R defined by = (1 2) 0 o(a) = 1 o(a) = = (₁9) * ((a $)). =a+d a 6 ¹ ((ª $)) = ad - bc ø ((a d)) = 6, where M₂ (R) is the additive group of 2 × 2 matrices with entries in R.
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