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Recent questions in Engineering Mathematics
1
vote
0
answers
1
#Made Easy
Find the value of $\lim_{x \rightarrow 0 } \dfrac{x \tan2x - 2x\tan x}{(1-\cos 2x)^2} \rule{1 in}{.5 pt}.$
Dknights
asked
in
Calculus
23 hours
ago
by
Dknights
39
views
calculus
limits
1
vote
1
answer
2
What is the magnitude of Adj(A) and Adj(Adj(A)) ?
What is the magnitude of Adj(A) and Adj(Adj(A)) ?
h4kr
asked
in
Set Theory & Algebra
3 days
ago
by
h4kr
57
views
discrete-mathematics
0
votes
0
answers
3
TestBook graph theory question
If G is a simple planar connected graph with 5 vertices, how many edges in maximum can be there in the given graph?
Sahil_Lather
asked
in
Graph Theory
4 days
ago
by
Sahil_Lather
38
views
graph-theory
testbook-test-series
graph-planarity
0
votes
0
answers
4
TestBook graph theory questions
Let Gn be the complete bipartite graph K13, 17 then the chromatic number of G̅n is _____ (G̅n is complement of Gn and n = 30) A 13 B 17 C n(n−1)2−13×17 D n(n−1)2−2
Sahil_Lather
asked
in
Graph Theory
4 days
ago
by
Sahil_Lather
34
views
graph-theory
bipartite-graph
testbook-test-series
0
votes
1
answer
5
Testbook poset question
Which of the following is/are correct about the number of edges and number of vertices respectively in the Hasse diagram of POSET [P(A); ⊆] where P(A) is the power set and A = {a , b , c} ? 1 number of vertices = 12 2 number of vertices = 8 3 number of edges = 12 4 number of edges = 8
Sahil_Lather
asked
in
Set Theory & Algebra
4 days
ago
by
Sahil_Lather
23
views
set-theory&algebra
boolean-algebra
testbook-test-series
0
votes
0
answers
6
TestBook Lattice question
Consider the relation R = {(p, p), (p, q), (p, r), (p, s), (p, t), (q, q,) (q, s), (q, t), (s, s), (s, t), (r, r), (r, t), (t ,t) which is a subset of A × A where A = {p, q, r, s, t} then which of the following is/are true? 1 (A, R) is a Boolean Algebra 2 (A, R) is a complemented lattice 3 (A, R) is distributed lattice 4 (A, R) is not a lattice
Sahil_Lather
asked
in
Set Theory & Algebra
4 days
ago
by
Sahil_Lather
15
views
set-theory&algebra
boolean-algebra
lattice
1
vote
2
answers
7
Testbook set theory question for abelian group and generators
Given: Statement A: All cyclic groups are an abelian group. Statement B: The order of the cyclic group is the same as the order of its generator. 1 A and B are false 2 A is true, B is false 3 B is true, A is false 4 A and B both are true
Sahil_Lather
asked
in
Set Theory & Algebra
4 days
ago
by
Sahil_Lather
39
views
set-theory&algebra
abelian-group
0
votes
0
answers
8
TestBook Hasse Diagram question to find GLB
If [P(A); ⊆] is a lattice where A = {x, y} and P(A) is the power set then what is the sum of element in Greatest Lower Bound (GLB) set of given lattice? x + y x y 0
Sahil_Lather
asked
in
Graph Theory
4 days
ago
by
Sahil_Lather
17
views
graph-theory
lattice
1
vote
2
answers
9
Testbook group theory question
Let G be a group of order 49. Then G is abelian G is cyclic G is non-abelian Centre of G has order 7
Sahil_Lather
asked
in
Set Theory & Algebra
4 days
ago
by
Sahil_Lather
45
views
set-theory&algebra
abelian-group
testbook-test-series
0
votes
0
answers
10
Testbook Relations in discrete maths
Which of the following statement is not true? 1 If a relation on a set A is symmetric and transitive then R is reflexive. 2 If a relation R on a set A is irreflexive and transitive then R is antisymmetric. 3 If R is antisymmetric relation then R ꓵ S ... If R and S are transitive relation on a set A then R U S need not be transitive and R ꓵ S are also transitive.
Sahil_Lather
asked
in
Mathematical Logic
4 days
ago
by
Sahil_Lather
16
views
discrete-mathematics
relations
testbook-test-series
1
vote
0
answers
11
DRDO CSE 2022 Paper 1 | Question: 5 (b)
Consider rolling of a dice experiment. Let $\text{A}$ be the event of getting an even number and $\mathrm{B}$ be the event of getting a prime number. Write the sets representing the following events. $\mathrm{A}$ and $\mathrm{B}$
admin
asked
in
Probability
5 days
ago
by
admin
37
views
drdocse-2022-paper1
probability
1-mark
descriptive
1
vote
0
answers
12
DRDO CSE 2022 Paper 1 | Question: 5 (c)
Consider rolling of a dice experiment. Let $\text{A}$ be the event of getting an even number and $\mathrm{B}$ be the event of getting a prime number. Write the sets representing the following events. not $\text{B}$
admin
asked
in
Probability
5 days
ago
by
admin
11
views
drdocse-2022-paper1
probability
1-mark
descriptive
0
votes
1
answer
13
Kenneth Rosen Edition 7 Exercise 1.3 Question 57 (Page No. 36)
The following sentence is taken from the specification of a telephone system: If the directory database is opened,then the monitor is put in a closed state, if the system is not in its initial ... statements. Find an equivalent, easier to understand specification that involves disjunctions and negations but not conditional statements.
pavan singh
asked
in
Mathematical Logic
6 days
ago
by
pavan singh
20
views
kenneth-rosen
discrete-mathematics
propositional-logic
0
votes
1
answer
14
#predicate-logic
Why "Birds can't fly" and "Every bird can't fly" are not same?
pavan singh
asked
in
Mathematical Logic
Jan 25
by
pavan singh
48
views
discrete-mathematics
propositional-logic
0
votes
0
answers
15
Made Easy Test Series
p ->(q->r). Could you please tell me how it is a tautology?
Hrithik Vashishtha
asked
in
Mathematical Logic
Jan 24
by
Hrithik Vashishtha
22
views
made-easy-test-series
0
votes
1
answer
16
Practice problem on Translations
Given a statement: "At least 1 pigeon-hole has at least 2 pigeons in it". and functions: ph(x) : x is pigeon-hole p(x) : x is pigeon h(x,y) : x has y Answer the following questions: Translate the given statement into logical ... What would be negation of the logical expression we get in part (a). Translate logical expression we get in part (b) to english.
Roshakaw
asked
in
Mathematical Logic
Jan 23
by
Roshakaw
31
views
discrete-mathematics
propositional-logic
0
votes
1
answer
17
Kenneth Rosen Edition 7 Exercise 1.3 Question 36 (Page No. 35)
When does s∗ = s, where s is a compound proposition?
pavan singh
asked
in
Mathematical Logic
Jan 22
by
pavan singh
41
views
kenneth-rosen
discrete-mathematics
propositional-logic
mathematical-logic
0
votes
0
answers
18
Kenneth Rosen Edition 7 Exercise 1.3 Question 13 (Page No. 35)
Use truth tables to verify the absorption laws. a) p ∨ (p ∧ q) ≡ p b) p ∧ (p ∨ q) ≡ p
pavan singh
asked
in
Mathematical Logic
Jan 21
by
pavan singh
27
views
kenneth-rosen
discrete-mathematics
propositional-logic
0
votes
1
answer
19
Kenneth Rosen Edition 7 Exercise 1.3 Question 12 (Page No. 35)
Show that each conditional statement in Exercise 10 is a tautology without using truth tables.
pavan singh
asked
in
Mathematical Logic
Jan 21
by
pavan singh
22
views
kenneth-rosen
discrete-mathematics
propositional-logic
0
votes
1
answer
20
Kenneth Rosen Edition 7 Exercise 1.3 Question 11 (Page No. 35)
Show that each conditional statement in Exercise 9 is a tautology without using truth tables.
pavan singh
asked
in
Mathematical Logic
Jan 21
by
pavan singh
21
views
kenneth-rosen
discrete-mathematics
propositional-logic
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