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Recent questions in Discrete Mathematics

0 votes
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2884
ACE Bits and bYtes
Minimum no of edges necessary in a simple graph with 10 vertices to ensure connectivity is_______.
Minimum no of edges necessary in a simple graph with 10 vertices to ensure connectivity is_______.
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1 votes
1 answer
2885
ACE Bits And Bytes
Number of perfect matching in Wn (n>=4 and n is even) _________.
Number of perfect matching in Wn (n>=4 and n is even) _________.
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2886
Combinatorics
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1 answer
2887
Linear Recurrence relations
$\text{What is the general form of homogeneous solution for linear nonhomogeneous recurrence relation }$ $a_n = 8 a_{n-2} - 16a_{n-4}$
$\text{What is the general form of homogeneous solution for linear nonhomogeneous recurrence relation }$$a_n = 8 a_{n-2} - 16a_{n-4}$
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2888
How to represent First order statements in plain English?
\neg \forall x \neg F(x) in English could we write this as Not for all x F(x) holds or as Not for all x F(x) holds is false.
\neg \forall x \neg F(x) in English could we write thisas Not for all x F(x) holdsor as Not for all x F(x) holds is false.
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3 answers
2889
Combinatorics
A company hires 11 new employees, each of whom is to be assigned to one of 4 subdivisions. Each subdivision will get at least one new employee. In how many ways can these assignments be made?
A company hires 11 new employees, each of whom is to be assigned to one of 4 subdivisions. Each subdivision will get at least one new employee.In how many ways can these ...
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1 votes
2 answers
2890
fallacy , contradiction and invalid argument are same ?
fallacy , contradiction and invalid argument are same or different
fallacy , contradiction and invalid argument are same or different
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1 votes
1 answer
2891
linear algebra
The matrix A has (1, 2, 1)^T and (1, 1, 0)^T as eigenvectors, both with eigenvalue 7, and its trace is 2. The determinant of A is __________
The matrix A has (1, 2, 1)^T and (1, 1, 0)^T as eigenvectors, both with eigenvalue 7, and its trace is 2. The determinant of A is __________
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2893
Set theory
explain
explain
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1 answer
2896
Recurrence
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1 answer
2897
Graphs
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1 answer
2898
Recurrence relation
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1 answer
2899
Graphs
I think ans is option C , But will anybody explain the notation used in option D ?
I think ans is option C , But will anybody explain the notation used in option D ?
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2900
Graphs
I am getting n>=9 ,if I consider remaining vertices degree 2 (less than 3). How ans is this small ?
I am getting n>=9 ,if I consider remaining vertices degree 2 (less than 3). How ans is this small ?
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