Question

Find If There Are Such Linear Transformations

score 36 · Answer 1 · 2026-03-22 17:03:24

36

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Find If There Are Such Linear Transformations

Published on 22 Mar 2026 - 17:03

score 492 · Answer 2 · 2018-02-05 12:01:53

492

Views

Limit of the reciprocal of a function

Published on 05 Feb 2018 - 12:01

score 99 · Answer 3 · 2018-02-05 13:29:58

99

Views

Proof Verification: $(g\circ f)^{-1}(H)$ = $f^{-1}g^{-1}(H)$

Published on 05 Feb 2018 - 13:29

score 179 · Answer 4 · 2018-02-05 18:10:06

179

Views

Prove that $\lim_{x \to a} x^4 = a^4$ using epsilon-delta definition

Published on 05 Feb 2018 - 18:10

score 603 · Answer 5 · 2018-02-05 19:39:01

603

Views

Show that the collection is a basis for a topology on $\mathbb{R}$

Published on 05 Feb 2018 - 19:39

score 3.8k · Answer 6 · 2026-03-24 05:14:21

3.8k

Views

Proof of the 'Infinite' DeMorgan's Law.

Published on 24 Mar 2026 - 5:14

score 66 · Answer 7 · 2026-03-22 20:35:28

66

Views

Is $x=i²$ the solution of this equation $2018^x+2018x+2018=0 $ in $\mathbb{C}$?

Published on 22 Mar 2026 - 20:35

score 1.4k · Answer 8 · 2026-03-25 13:33:20

1.4k

Views

Let $A, B$, and $C$ be sets. If $A ⊆ C$ and $B ⊆ C$, then $A ∩ B ⊆ A ∩ C$

Published on 25 Mar 2026 - 13:33

score 64 · Answer 9 · 2018-02-06 00:24:25

64

Views

Some implicit differentiation questions. Please check them [see desc.]

Published on 06 Feb 2018 - 0:24

score 436 · Answer 10 · 2018-02-06 02:13:47

436

Views

Prove that matrix inversion is continuous w.r.t $\sup$-norm

Published on 06 Feb 2018 - 2:13

score 442 · Answer 11 · 2026-03-25 14:22:57

442

Views

Base case is $2 \log(2) = 2$? - Proof by induction that $T(n) = n \times \log(n)$.

Published on 25 Mar 2026 - 14:22

score 41 · Answer 12 · 2026-03-24 21:59:42

41

Views

Proving $p^2=q$ given a functional equation

Published on 24 Mar 2026 - 21:59

score 214 · Answer 13 · 2026-03-23 10:26:33

214

Views

Prove that the linear transformation cannot be onto

Published on 23 Mar 2026 - 10:26

score 175 · Answer 14 · 2018-02-06 05:43:42

175

Views

Is using the fact that multiplication and addition are closed in an ordered field to prove that there are no "gaps" in the real number line circular?

Published on 06 Feb 2018 - 5:43

score 391 · Answer 15 · 2026-03-25 07:23:02

391

Views

Do two isomorphic normal subgroups yield the same quotient

Published on 25 Mar 2026 - 7:23

List Question

Find If There Are Such Linear Transformations

Limit of the reciprocal of a function

Proof Verification: $(g\circ f)^{-1}(H)$ = $f^{-1}g^{-1}(H)$

Prove that $\lim_{x \to a} x^4 = a^4$ using epsilon-delta definition

Show that the collection is a basis for a topology on $\mathbb{R}$

Proof of the 'Infinite' DeMorgan's Law.

Is $x=i²$ the solution of this equation $2018^x+2018x+2018=0 $ in $\mathbb{C}$?

Let $A, B$, and $C$ be sets. If $A ⊆ C$ and $B ⊆ C$, then $A ∩ B ⊆ A ∩ C$

Some implicit differentiation questions. Please check them [see desc.]

Prove that matrix inversion is continuous w.r.t $\sup$-norm

Base case is $2 \log(2) = 2$? - Proof by induction that $T(n) = n \times \log(n)$.

Proving $p^2=q$ given a functional equation

Prove that the linear transformation cannot be onto

Is using the fact that multiplication and addition are closed in an ordered field to prove that there are no "gaps" in the real number line circular?

Do two isomorphic normal subgroups yield the same quotient

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