Question

If $f:\{1,2,3\}\to\{1,2,3\}$ is bijective and $f(1)=2$, can we verify that $f(2)=1$?

score 48 · Answer 1 · 2015-11-16 16:37:49

48

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If $f:\{1,2,3\}\to\{1,2,3\}$ is bijective and $f(1)=2$, can we verify that $f(2)=1$?

Published on 16 Nov 2015 - 16:37

score 61 · Answer 2 · 2026-04-04 17:34:52

61

Views

fine the inverse of $[2]$ and $[23]$ in$ \mathbb{Z}_{41}$

Published on 04 Apr 2026 - 17:34

score 107 · Answer 3 · 2015-11-17 02:26:47

107

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Finding an inverse matrix

Published on 17 Nov 2015 - 2:26

score 23 · Answer 4 · 2015-11-17 05:00:58

23

Views

Calculating differential of inverse function.

Published on 17 Nov 2015 - 5:00

score 593 · Answer 5 · 2015-11-17 13:04:07

593

Views

How to find the second derivative of the inverse function of $f(x)$ at $x=0$?

Published on 17 Nov 2015 - 13:04

score 375 · Answer 6 · 2015-11-17 16:23:06

375

Views

why inverse trigonometric function DNE

Published on 17 Nov 2015 - 16:23

score 408 · Answer 7 · 2026-03-29 03:39:41

408

Views

Properties of adjoint matrix in a finite dimensional inner product space

Published on 29 Mar 2026 - 3:39

score 528 · Answer 8 · 2015-11-18 17:57:26

528

Views

The multiplicative conjugate of an invertible matrix is invertible

Published on 18 Nov 2015 - 17:57

score 250 · Answer 9 · 2015-11-18 20:31:34

250

Views

If f(x+y)=f(x)*f(y) and f is a bijection, show that its inverse satisfies this function equation

Published on 18 Nov 2015 - 20:31

score 3.8k · Answer 10 · 2015-11-18 21:41:08

3.8k

Views

If the product of two square matrices is invertible, then both matrices are invertible

Published on 18 Nov 2015 - 21:41

score 91 · Answer 11 · 2015-11-19 19:14:11

91

Views

Are these equiv? $\cot^{-1}(-x) = -\cot^{-1}(x)$

Published on 19 Nov 2015 - 19:14

score 1.1k · Answer 12 · 2015-11-20 16:24:45

1.1k

Views

Proving a matrix is invertible

Published on 20 Nov 2015 - 16:24

score 61 · Answer 13 · 2015-11-20 17:31:29

61

Views

Inverse of function - Difficulty solving

Published on 20 Nov 2015 - 17:31

score 1.1k · Answer 14 · 2015-11-23 16:38:24

1.1k

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Consider $f : \mathbb{N} → \mathbb{Z}$ defined as $f (n) = \frac{(−1)^n (2n−1)+1}{4}$. Find its inverse.

Published on 23 Nov 2015 - 16:38

score 9.9k · Answer 15 · 2026-03-29 07:38:35

9.9k

Views

Why does Arccos(Sin(x)) look like this??

Published on 29 Mar 2026 - 7:38

List Question

If $f:\{1,2,3\}\to\{1,2,3\}$ is bijective and $f(1)=2$, can we verify that $f(2)=1$?

fine the inverse of $[2]$ and $[23]$ in$ \mathbb{Z}_{41}$

Finding an inverse matrix

Calculating differential of inverse function.

How to find the second derivative of the inverse function of $f(x)$ at $x=0$?

why inverse trigonometric function DNE

Properties of adjoint matrix in a finite dimensional inner product space

The multiplicative conjugate of an invertible matrix is invertible

If f(x+y)=f(x)*f(y) and f is a bijection, show that its inverse satisfies this function equation

If the product of two square matrices is invertible, then both matrices are invertible

Are these equiv? $\cot^{-1}(-x) = -\cot^{-1}(x)$

Proving a matrix is invertible

Inverse of function - Difficulty solving

Consider $f : \mathbb{N} → \mathbb{Z}$ defined as $f (n) = \frac{(−1)^n (2n−1)+1}{4}$. Find its inverse.

Why does Arccos(Sin(x)) look like this??

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