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5191
Combinatorics
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 $\frac{5! * 5!}{10!}$, is it correct
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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5193
Discreate Math
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.
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
5194
#recurrence relation
Find the recurrence relation for the number of binary strings not containing two consecutive zeros or two consecutive ones.
Find the recurrence relation for the number of binary strings not containing two consecutive zeros or two consecutive ones.
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2 votes
1 answer
5196
mathematics
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1 votes
1 answer
5197
mathematics
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0 votes
0 answers
5198
mathematics
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1 votes
1 answer
5200
mathematics
TRUE/FALSE? There exist two uncountable sets such that their intersection is countably infinite. PLZ someone give one example.......
TRUE/FALSE? There exist two uncountable sets such that their intersection is countably infinite.PLZ someone give one example.......
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2 votes
1 answer
5201
mathematics
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0 votes
1 answer
5202
Kenneth Rosen Edition 6th Exercise 6.6 Question 26 (Page No. 457)
How many derangements of (1 2 3 4 5 6 ) end with integer 1 2 and 3 in some order ?
How many derangements of (1 2 3 4 5 6 ) end with integer 1 2 and 3 in some order ?
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2 votes
1 answer
5203
Kenneth Rosen Edition 6th Exercise 6.6 Question 3 (Page No. 456)
How many solution does the equation x1+x2+x3=13 have where x1 x2 and x3 are non negative less than 6 ?
How many solution does the equation x1+x2+x3=13 have where x1 x2 and x3 are non negative less than 6 ?
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5204
General Doubt
Which of the following is a mapping or total function 1) f is defined on RXR f(x)=1 ;x=5t, t ℇ Z =0 ;x=5t+1, t ℇ Z 2)1) f is defined on RXZ f(x)=1 ;x=5t, t ℇ Z =0 ;x=5t+1, t ℇ Z
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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0 votes
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5205
mathematics
here is the sol: in above sol no. of possible 4-pennant is 7 not 5.so it is not the fibonancci series
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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0 votes
1 answer
5206
mathematics
plz someone describe details of P & Q expression.............
plz someone describe details of P & Q expression.............
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1 votes
1 answer
5207
mathematics
In a simple graph G, if degree of each vertex is 3 then graph G is connected. True/False?
In a simple graph G, if degree of each vertex is 3 then graph G is connected.True/False?
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2 votes
1 answer
5208
mathematics
is this solution is correct.I think either opt(a) or (c) is correct........
is this solution is correct.I think either opt(a) or (c) is correct........
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3 votes
1 answer
5209
logic functions
Given $x,y,z$ are Boolean variables and $f(x,y,z)=f(y',x',z)$. How many such functions are possible with $x, y, z$? $0$ $2^2$ $2^4$ $2^6$
Given $x,y,z$ are Boolean variables and $f(x,y,z)=f(y',x',z)$. How many such functions are possible with $x, y, z$?$0$$2^2$$2^4$$2^6$
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1 votes
1 answer
5210
mathematics
plz someone explain.........
plz someone explain.........
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