Mathematics
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Zara's user avatar
Zara's user avatar
Zara
  • Member for 3 years, 10 months
  • Last seen this week
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580
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answers
26
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All Questions Answers
Score Newest
question
5
What is $\det(A + I)$ when $AA^t = I$ and $\det(A) < 0$?
Nov 24, 2020
question
5
Proving that $\sum_{n = 1}^\infty 2^{-4^n}$ is transcendental
Apr 6, 2022
question
4
Proving the identity of $\sum_{k = 0}^n{4n \choose 4k} = 2^{4n - 2} + (-1)^n2^{2n - 1}$ combinatorially
Mar 31, 2022
question
3
Showing that these algebras are isomorphic
Jan 1, 2021
question
3
$x^3 - 6 = 25y^2 + 35y$ has no non-zero integer solutions [duplicate]
Feb 2, 2021
question
3
Showing that $\mathrm{Hom}_R(R/I, M) \cong \mathrm{Ann}_I(M)$
Jan 5, 2022
question
3
Proving that ${n \choose 1} - 2{n \choose 2} + 3{n \choose 3} + \dots + (-1)^{n - 1}n{n \choose n} = 0$
Mar 6, 2022
question
2
Proving that $T + S: V \rightarrow V$ is the identity transformation when $N(T) \subseteq R(S)$ and $R(T) \subseteq N(S)$ and $T^2v = Tv, \ S^2v = Sv$
Oct 27, 2020
question
2
Finitely generated subgroups of $\mathrm{Gal}(\bar{\mathbb{Q}}/\mathbb{Q})$
Jun 8, 2021
question
2
Showing that a certain map in a commutative diagram with exact rows is injective
Jan 21, 2022
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5
Coleus leaves going limp often

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