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Supriyo Halder's user avatar
Supriyo Halder's user avatar
Supriyo Halder's user avatar
Supriyo Halder
  • Member for 7 years, 2 months
  • Last seen more than 1 year ago
  • Baidyabati, West Bengal, India
17 votes
1 answer
2k views

Give example of two non-isomorphic groups that have same as sets.

7 votes
1 answer
163 views

$\lim_{n\to\infty} \frac{\text {No. of elements of order 2 in }S_n}{\text {No. of elements of order 2 in} A_n}=?$

4 votes
2 answers
67 views

A question on binomial theorem

4 votes
1 answer
183 views

$1+ {1\over 11}+ {1\over 111}+ {1\over 1111}+....=?$ [closed]

4 votes
0 answers
114 views

How many ways to park $n$ cars? [duplicate]

2 votes
2 answers
104 views

Can we operate all elements in a group $G$

1 vote
1 answer
54 views

How many ways are there to operate $n$ ordered elements of a group?

1 vote
1 answer
239 views

Question on representation $D_n=\langle r^n=s^2=e,rs=sr^{-1}\rangle$

1 vote
1 answer
159 views

How many ways are there to choose $k$ numbers from first $n$ natural numbers such that any two numbers differ by at most $d$?

1 vote
1 answer
190 views

A confusion on Composition Series.

0 votes
0 answers
33 views

A question on inequality.

0 votes
0 answers
31 views

Two question on inequality [duplicate]

0 votes
1 answer
57 views

1 Question, 2 Answers

0 votes
1 answer
84 views

A contradiction about no. of elements of order $p$ in $G$

0 votes
1 answer
439 views

Prove that $gcd(\mid G:H\mid,\mid G:K\mid )=1\Rightarrow G=HK$ [duplicate]

0 votes
0 answers
141 views

Sufficient condition for $G=HK$ [duplicate]

-1 votes
1 answer
94 views

Is "$\cdot$" associative on R\Q?

-3 votes
1 answer
111 views

Do the irrationals form a group? [duplicate]

-3 votes
2 answers
489 views

Do Irrationals form a group? [closed]