Question

In: Advanced Math

8. Let G = GL2(R). (Tables are actually matrices) (d) Determine whether A = { a...

8. Let G = GL2(R). (Tables are actually matrices)

(d) Determine whether A = {

a b
0 0

} | a, b in R ) is a subgroup of G.

(e) Determine whether B = {

0 b
c 0

} | b, c in R ) is a subgroup of G.

(f) Determine whether C = {

1 0
0 d

} | d in R, d not equal 0) is a subgroup of G.

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