Recent questions in Discrete Mathematics

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5221
How can we find the natural logarithm of a vector?
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5223
0 votes
1 answer
5224
A Sequence of nos. $<1, 2, 3, 4, ..... 10 $ is permuted randomly. What is the probability that all odd nos. appear before all even nos. I am getting $\frac{5! * 5!}{10!}$...
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5226
What is even and odd permuatation function ? I saw some where (1,2,3) broken into even permutaion of (1,3) , (1,2) what is the logic behind it? PLz give reffrence too.
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1 answer
5227
Find the recurrence relation for the number of binary strings not containing two consecutive zeros or two consecutive ones.
2 votes
1 answer
5229
1 votes
1 answer
5230
0 votes
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5231
1 votes
1 answer
5233
TRUE/FALSE? There exist two uncountable sets such that their intersection is countably infinite.PLZ someone give one example.......
2 votes
1 answer
5234
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5235
2 votes
1 answer
5236
0 votes
1 answer
5237
Which of the following is a mapping or total function1) f is defined on RXRf(x)=1 ;x=5t, t ℇ Z =0 ;x=5t+1, t ℇ Z2)1) f is defined on RXZf(x)=1 ;x=5t, t �...
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1 answer
5238
here is the sol:in above sol no. of possible 4-pennant is 7 not 5.so it is not the fibonancci series
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1 answer
5239
plz someone describe details of P & Q expression.............
1 votes
1 answer
5240
In a simple graph G, if degree of each vertex is 3 then graph G is connected.True/False?