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Old Exam Papers June 2012 (Set 2)

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A<br />

M.A./M.Sc.-MT-01<br />

M.A./M.Sc. (Previous) EXAMINATION,<br />

<strong>June</strong>, <strong>2012</strong><br />

MATHEMATICS<br />

Paper-MT-01<br />

(Advanced Algebra)<br />

Time allowed : Three hours<br />

Maximum marks : 80<br />

Attempt any five questions. Each<br />

question carries equal marks.<br />

1. (a) Let H and K be subgroups of a group G. If HK is<br />

the internal direct product of H and K, then prove<br />

that HK<br />

K<br />

H .<br />

(b) Define conjugate class of an element a in a group<br />

G and prove that any two conjugate classes of G<br />

are either identical or disjoint.<br />

2. (a) Let G be a group and H be a subgroup of G, then<br />

PTO

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