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

asked in MA2021 by admin_rational Professor | 358 views

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

asked in MA2021 by admin_rational Professor | 239 views

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

asked in MA2021 by admin_rational Professor | 200 views

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How many elements of the group Z50 have order 10?

asked in MA2021 by admin_rational Professor | 251 views

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

asked in MA2021 by admin_rational Professor | 182 views

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

asked in MA2021 by admin_rational Professor | 289 views

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

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

asked in MA2021 by admin_rational Professor | 264 views

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

asked in MA2021 by admin_rational Professor | 196 views

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

asked in MA2021 by admin_rational Professor | 198 views

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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.

asked in WBJEE2022 by admin_rational Professor | 534 views

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

asked in WBJEE2022 by admin_rational Professor | 742 views

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

asked in WBJEE2022 by admin_rational Professor | 1.1k 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?

asked in Real Analysis by admin_rational Professor | 411 views

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

asked in Discrete Mathematics by admin_rational Professor | 312 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?

asked in Discrete Mathematics by Junky Expert | 505 views

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Find the number of all 20-digit integers in which no two consecutive digits are the same.

asked in Discrete Mathematics by Junky Expert | 717 views

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WBJEE 2022 Code B Question 2: Find locus.

asked in WBJEE2022 by admin_rational Professor | 419 views

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

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