Recent questions in Discrete Mathematics

1 votes
0 answers
3421
$n^3 + \frac{n^3}{9} +\frac{n^3}{9^2} + \frac{n^3}{9^3} + +n$
1 votes
1 answer
3423
2 votes
1 answer
3424
1 votes
0 answers
3425
i am confuse with 2nd and 4th one
3 votes
0 answers
3426
A function f: Z+ ⟶ Z+ is defined by f(x)= maximum of n and 50.which of the following is true?A) f is one to one but not ontoB) f is onto but not one to oneC) f is bijec...
2 votes
0 answers
3427
How many ways are there to distribute 10 balls into 6 boxes with atmost 4 balls in first 2 boxes if the balls are in distinguishable?
4 votes
1 answer
3429
1 votes
0 answers
3430
2 votes
0 answers
3431
State true or falseIf gof is surjective, then both g and f are surjective.Is it true or falseSee the theorem isIf gof is surjective, then g is surjective and f need not ...
2 votes
1 answer
3432
2 vertices connected by an edge is a complete graph (G) and for complete graph (Kn) vertex connectivity is (n-1), so for this G connectivity is 1, now will it be consider...
2 votes
0 answers
3434
A real n × n matrix A = {aij} is defined as follows: aij= i, if i = j, otherwise 0The determinant of all n eigen values of A is
2 votes
1 answer
3435
How to study calculus portion for GATE and from which book?Does class 12 knowledge is enough?
1 votes
0 answers
3437
4 votes
1 answer
3440
Lattice or not and why?