Question

Find the number of solutions for $\underbrace{xx\ldots*x}_{x\text{ 10 times}}=\frac{1}{10}$ with a given binary operation.

score 174 · Answer 1 · 2020-03-18 19:04:10

Find the number of solutions for $\underbrace{x*x*\ldots*x}_{x\text{ 10 times}}=\frac{1}{10}$ with a given binary operation.

score 358 · Answer 2 · 2020-03-21 04:23:39

358

Views

is the distributive property for $2+ (x-1)$?

Published on 21 Mar 2020 - 4:23

score 47 · Answer 3 · 2020-04-11 23:19:25

47

Views

Can " multiplicative inverse of $\frac nm = \frac mn$" be obtained directly from the definition of multiplicative inverse: " inverse of $n=\frac 1n$"?

Published on 11 Apr 2020 - 23:19

score 342 · Answer 4 · 2020-04-14 06:02:38

Prove or disprove that, if $a*b$ has an inverse with respect to $*$, an associative binary operation with identity $e$, then so do $a$ and $b$.

score 75 · Answer 5 · 2020-04-27 12:24:00

75

Views

About binary subtraction: how does this work?

Published on 27 Apr 2020 - 12:24

score 47 · Answer 6 · 2020-04-30 10:23:26

47

Views

Given the binary operation $xy=x^2+4xy+y^2$ show that $a1 \in \mathbb{N}$ has infinitely many solutions, where $a$ is irrational.

Published on 30 Apr 2020 - 10:23

score 152 · Answer 7 · 2026-03-25 12:53:12

152

Views

Find all algebras with one binary operation and the set {0,1}

Published on 25 Mar 2026 - 12:53

score 50 · Answer 8 · 2020-05-08 17:45:57

50

Views

Reduce and operation equation

Published on 08 May 2020 - 17:45

score 30 · Answer 9 · 2026-03-26 19:20:13

30

Views

program to find All numbers y , less than a number x having the bits set at places only where they are set in x.

Published on 26 Mar 2026 - 19:20

score 165 · Answer 10 · 2020-05-09 23:19:26

165

Views

Is there an equivalent of $\pm$ but for $\times$ and $\div$?

Published on 09 May 2020 - 23:19

score 602 · Answer 11 · 2020-05-10 21:39:48

602

Views

Prove the sum and product of real numbers are continuous functions

Published on 10 May 2020 - 21:39

score 94 · Answer 12 · 2026-02-22 23:12:31

94

Views

Is there any name for this property of quasigroups: $x \times (y \times (z \times t)) = (x \times y) \times (t \times z)?$

Published on 22 Feb 2026 - 23:12

score 43 · Answer 13 · 2020-05-12 10:59:42

Show that if $H$ is a subgroup of the group $(G, *)$ that contains all natural numbers $k\ge4$ then $H$ contains all rational numbers $q>3$.

score 112 · Answer 14 · 2020-05-13 22:49:41

112

Views

Express a set as boolean function

Published on 13 May 2020 - 22:49

score 41 · Answer 15 · 2020-05-23 03:34:46

41

Views

Must a binary relation on a set $X$ be defined for all elements in $X$?

Published on 23 May 2020 - 3:34

List Question

Find the number of solutions for $\underbrace{xx\ldots*x}_{x\text{ 10 times}}=\frac{1}{10}$ with a given binary operation.

is the distributive property for $2+ (x-1)$?

Can " multiplicative inverse of $\frac nm = \frac mn$" be obtained directly from the definition of multiplicative inverse: " inverse of $n=\frac 1n$"?

Prove or disprove that, if $ab$ has an inverse with respect to $$, an associative binary operation with identity $e$, then so do $a$ and $b$.

About binary subtraction: how does this work?

Given the binary operation $xy=x^2+4xy+y^2$ show that $a1 \in \mathbb{N}$ has infinitely many solutions, where $a$ is irrational.

Find all algebras with one binary operation and the set {0,1}

Reduce and operation equation

program to find All numbers y , less than a number x having the bits set at places only where they are set in x.

Is there an equivalent of $\pm$ but for $\times$ and $\div$?

Prove the sum and product of real numbers are continuous functions

Is there any name for this property of quasigroups: $x \times (y \times (z \times t)) = (x \times y) \times (t \times z)?$

Show that if $H$ is a subgroup of the group $(G, *)$ that contains all natural numbers $k\ge4$ then $H$ contains all rational numbers $q>3$.

Express a set as boolean function

Must a binary relation on a set $X$ be defined for all elements in $X$?

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