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Let $\tau_1, \tau_2,....,\tau_a$ be transpositions
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If M is a n x n matrix with rank n - 1, then M can be made non-singular by changing one element.
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WBJEE2022
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wbjee
rank
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WBJEE 2022 - Question 3 - Find the value of a+d.
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wb-jee
wbjee
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WBJEE 2022 - Question 1 - Under which of the following condition(s) does(do) the system of equations
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wbjee
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If for each m > 1, the subsequence $(x_{mn})$ of $(x_n)$ is convergent, then can we conclude $(x_n)$ is convergent?
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Real Analysis
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sequence
counter-example
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Prove that in a tree with maximum degree , there are at least leaves
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Discrete Mathematics
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89
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graph
theory
tree
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20 persons are sitting around a table. How many ways can we choose 3 persons, no two of whom are neighbours?
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Discrete Mathematics
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Junky
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142
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0
votes
1
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Find the number of all 20-digit integers in which no two consecutive digits are the same.
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Discrete Mathematics
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Junky
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241
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0
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1
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WBJEE 2022 Code B Question 2: Find locus.
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WBJEE2022
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149
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wb-jee
2022
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Find the equation of the circle passing through the vertices of the triangle .
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95
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iit
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2021
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Describe all solutions of Ax=0 in parametric vector form, where A is row equivalent to the given matrix.
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Linear Algebra
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192
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rref
system
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1
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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.
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Discrete Mathematics
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graph
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Give an example of a connected planar graph with $v$ vertices, $e$ edges and $k$ components such $e=3v-6k$.
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Discrete Mathematics
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163
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graph
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$x^2/x=6$ সমীকরণটির বীজ/বিজদয় হবে
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Calculus
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230
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1
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$ax^2+bx+c=0$ $(a\neq c)$ সমীকরণের বিজদয় সমান হলে
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Calculus
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WBJEE 2021 - Set A - Question 3: Find the value of $\alpha$.
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WBJEE 2021
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37.1k
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wb-jee
2021
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WBJEE 2021 - Set A - Question 2: Find the value of $f(1)$.
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WBJEE 2021
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187
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wb-jee
2021
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WBJEE 2021 - Question 1 - Find the limit of I.
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WBJEE 2021
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55.3k
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wb-jee
2021
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CSIR UGC NET June 2019 Part B Question 53
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Probability
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Junky
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183
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net
jun
2019
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CSIR UGC NET June 2019 Part B Question 52
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238
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