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Q15. Find number of bijection from N to N such that

answered in MA2021 | 83 views

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Q14. The group (Q, +) has no proper subgroup of finite index.

answered in MA2021 | 51 views

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Q11. Then the dimension of W over R is necessarily?

answered in MA2021 | 51 views

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How many elements of the group Z50 have order 10?

asked in MA2021 | 42 views

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Q5: When $\lim_{t \to \infty} I(p, t)$ is finite

answered in MA2021 | 41 views

1 answer

Q4: Let f : R → R be a continuous function such that for all x ∈ R

answered in MA2021 | 67 views

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The number of differentiable functions y : [0, 1] → [0, ∞), having continuous derivative on [0, 1] and satisfying

answered in MA2021 | 2.5k views

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Q2. Let P : R → R be a continuous function such that P(x) > 0 for all x ∈ R.

answered in MA2021 | 51 views

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Q3. Let f : R → R be a continuous function satisfying f(x) = f(x + 1) for all x ∈ R.

answered in MA2021 | 48 views

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Q4. Which one of the following subsets of $\mathbb{R}$ has a non-empty interior?

answered in MA2021 | 49 views

0 answers

Let $\tau_1, \tau_2,....,\tau_a$ be transpositions

asked | 80 views

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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.

answer edited in WBJEE2022 | 340 views

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WBJEE 2022 - Question 3 - Find the value of a+d.

edited in WBJEE2022 | 512 views

1 answer

WBJEE 2022 - Question 1 - Under which of the following condition(s) does(do) the system of equations

answered in WBJEE2022 | 630 views

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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?

answered in Real Analysis | 250 views

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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.

retagged in Discrete Mathematics | 18.1k views

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Prove that in a tree with maximum degree , there are at least leaves

retagged in Discrete Mathematics | 146 views

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WBJEE 2022 Code B Question 2: Find locus.

answer edited in WBJEE2022 | 246 views

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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?

answer edited in Discrete Mathematics | 233 views

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Find the equation of the circle passing through the vertices of the triangle .

asked | 149 views

76 questions

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