Mathematics
Muralidharan's user avatar
Muralidharan's user avatar
Muralidharan's user avatar
Muralidharan
  • Member for 5 years, 10 months
  • Last seen this week
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22
answers
6
questions
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23
Score
19
Posts
68
Posts %
8
Score
5
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18
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8
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4
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14
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7
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4
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14
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6
Score
5
Posts
18
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5
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4
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All Questions Answers
Score Newest
answer
5
Find the number of ways in which $7$ different balls can be distributed into 4 identical boxes, so that no box remains empty?
Jan 10, 2018
question
4
Permutations of MISSISSIPPI not containing adjacent identical letters
Oct 18, 2018
question
4
Number of ways of arranging 10 tiles in four colors such that any consecutive block of 5 tiles contain all four colors
Jun 2, 2020
question
3
Collecting cards
Jul 28, 2020
answer
3
Recurrence relation for number of ternary strings that contain two consecutive zeros
Apr 4, 2018
answer
3
A Catalan number proof involving an $2$ by $n$ array
Nov 30, 2018
answer
3
Counting paths through a checkers board (only moving diagonally)
Dec 1, 2018
question
2
Combinatorial Argument for a Binomial idenity
Jun 8, 2020
answer
2
How to prove the binomial identity $\binom{n}{r - 1} + 2\binom{n}{r} + \binom{n}{r + 1} = \binom{n + 2}{r + 1}$?
Jun 5, 2018
answer
2
The sum of $\binom{n}{0}\binom{3n}{2n}-\binom{n}{1}\binom{3n-3}{2n-3}+\binom{n}{2}\binom{3n-6}{2n-6}+\cdots \cdots $
Jul 19, 2018

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