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admin_rational
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User admin_rational
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User admin_rational
Recent activity
All questions
All answers
1
answer
Q15. Find number of bijection from N to N such that
answered
in
MA2021

175
views
2021
jam
math
1
answer
Q14. The group (Q, +) has no proper subgroup of finite index.
answered
in
MA2021

119
views
2021
math
jam
1
answer
Q11. Then the dimension of W over R is necessarily?
answered
in
MA2021

97
views
2021
jam
math
1
answer
How many elements of the group Z50 have order 10?
asked
in
MA2021

70
views
2021
jam
math
1
answer
Q5: When $\lim_{t \to \infty} I(p, t)$ is finite
answered
in
MA2021

70
views
jam
math
20221
2021
1
answer
Q4: Let f : R → R be a continuous function such that for all x ∈ R
answered
in
MA2021

116
views
math
jam
2021
1
answer
The number of differentiable functions y : [0, 1] → [0, ∞), having continuous derivative on [0, 1] and satisfying
answered
in
MA2021

3.4k
views
jam
2021
math
1
answer
Q2. Let P : R → R be a continuous function such that P(x) > 0 for all x ∈ R.
answered
in
MA2021

130
views
jam
math
2021
1
answer
Q3. Let f : R → R be a continuous function satisfying f(x) = f(x + 1) for all x ∈ R.
answered
in
MA2021

90
views
jam
math
2021
1
answer
Q4. Which one of the following subsets of $\mathbb{R}$ has a nonempty interior?
answered
in
MA2021

83
views
jam
2021
math
0
answers
Let $\tau_1, \tau_2,....,\tau_a$ be transpositions
asked

107
views
1
answer
If M is a n x n matrix with rank n  1, then M can be made nonsingular by changing one element.
answer edited
in
WBJEE2022

414
views
wbjee
rank
1
answer
WBJEE 2022  Question 3  Find the value of a+d.
edited
in
WBJEE2022

584
views
wbjee
wbjee
2022
1
answer
WBJEE 2022  Question 1  Under which of the following condition(s) does(do) the system of equations
answered
in
WBJEE2022

857
views
wbjee
2022
1
answer
If for each m > 1, the subsequence $(x_{mn})$ of $(x_n)$ is convergent, then can we conclude $(x_n)$ is convergent?
answered
in
Real Analysis

306
views
sequence
counterexample
1
answer
Suppose the maximum degree of a tree T is 4. If n1(T) = 20, n2(T) = n3(T) = n4(T), find the number of vertices of T.
retagged
in
Discrete Mathematics

18.2k
views
graph
theory
tree
1
answer
Prove that in a tree with maximum degree , there are at least leaves
retagged
in
Discrete Mathematics

192
views
graph
theory
tree
1
answer
WBJEE 2022 Code B Question 2: Find locus.
answer edited
in
WBJEE2022

304
views
wbjee
2022
1
answer
20 persons are sitting around a table. How many ways can we choose 3 persons, no two of whom are neighbours?
answer edited
in
Discrete Mathematics

322
views
0
answers
Find the equation of the circle passing through the vertices of the triangle .
asked

178
views
iit
jee
2021
76
questions
33
answers
2
comments
1,801
users