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If M is a n x n matrix with rank n  1, then M can be made nonsingular by changing one element.
asked
in
WBJEE2022
by
admin_rational
Professor

56
views
wbjee
rank
0
votes
1
answer
WBJEE 2022  Question 3  Find the value of a+d.
asked
in
WBJEE2022
by
admin_rational
Professor

224
views
wbjee
wbjee
2022
0
votes
1
answer
WBJEE 2022  Question 1  Under which of the following condition(s) does(do) the system of equations
asked
in
WBJEE2022
by
admin_rational
Professor

186
views
wbjee
2022
0
votes
1
answer
If for each m > 1, the subsequence $(x_{mn})$ of $(x_n)$ is convergent, then can we conclude $(x_n)$ is convergent?
asked
in
Real Analysis
by
admin_rational
Professor

85
views
sequence
counterexample
0
votes
1
answer
Prove that in a tree with maximum degree , there are at least leaves
asked
in
Discrete Mathematics
by
admin_rational
Professor

48
views
graph
theory
tree
0
votes
1
answer
20 persons are sitting around a table. How many ways can we choose 3 persons, no two of whom are neighbours?
asked
in
Discrete Mathematics
by
Junky
Expert

61
views
0
votes
1
answer
Find the number of all 20digit integers in which no two consecutive digits are the same.
asked
in
Discrete Mathematics
by
Junky
Expert

139
views
0
votes
1
answer
WBJEE 2022 Code B Question 2: Find locus.
asked
in
WBJEE2022
by
admin_rational
Professor

87
views
wbjee
2022
0
votes
0
answers
Find the equation of the circle passing through the vertices of the triangle .
asked
by
admin_rational
Professor

58
views
iit
jee
2021
+1
vote
1
answer
Describe all solutions of Ax=0 in parametric vector form, where A is row equivalent to the given matrix.
asked
in
Linear Algebra
by
Junky
Expert

102
views
rref
system
+1
vote
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.
asked
in
Discrete Mathematics
by
admin_rational
Professor

11.9k
views
graph
theory
tree
+1
vote
1
answer
Give an example of a connected planar graph with $v$ vertices, $e$ edges and $k$ components such $e=3v6k$.
asked
in
Discrete Mathematics
by
admin_rational
Professor

86
views
graph
theory
+1
vote
1
answer
$x^2/x=6$ সমীকরণটির বীজ/বিজদয় হবে
asked
in
Calculus
by
admin_rational
Professor

178
views
+1
vote
1
answer
$ax^2+bx+c=0$ $(a\neq c)$ সমীকরণের বিজদয় সমান হলে
asked
in
Calculus
by
admin_rational
Professor

16.9k
views
+1
vote
1
answer
WBJEE 2021  Set A  Question 3: Find the value of $\alpha$.
asked
in
WBJEE 2021
by
admin_rational
Professor

37.0k
views
wbjee
2021
+1
vote
1
answer
WBJEE 2021  Set A  Question 2: Find the value of $f(1)$.
asked
in
WBJEE 2021
by
admin_rational
Professor

109
views
wbjee
2021
+1
vote
1
answer
WBJEE 2021  Question 1  Find the limit of I.
asked
in
WBJEE 2021
by
admin_rational
Professor

55.2k
views
wbjee
2021
+1
vote
0
answers
CSIR UGC NET June 2019 Part B Question 53
asked
in
Probability
by
Junky
Expert

136
views
net
jun
2019
+1
vote
0
answers
CSIR UGC NET June 2019 Part B Question 52
asked
in
Probability
by
Junky
Expert

183
views
net
jun
2019
+1
vote
0
answers
CSIR UGC NET June 2019 Part B Question 51
asked
in
Probability
by
Junky
Expert

541
views
net
jun
2019
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