magardibosh107 magardibosh107

03-11-2020
Mathematics

contestada

Let a * b = 3a + 2b for a, b e Z. Verify that * is a
commutative binary operation on Z.
[2]

Respuesta :

LammettHash LammettHash

04-11-2020

It's not commutative:

a * b = 3a + 2b

but

b * a = 3b + 2a

We have equality only for

3a + 2b = 3b + 2a → a = b

Answer Link

Otras preguntas

what are your priorities? projects?

Maxine compiled a list of these car prices:$7,500,$6,500,$5,750,$4,900,$6,250 and $4,200.Find the mean of these prices

Find the Slope Using the slope equation

I’ll give BRAINLIEST if correct

what are your priorities? projects?

3. Students from 4 classes at Franklin Elementary School are going on a field trip to the theater. Each class has 30 students. There will also be 6 teachers and

Please help me with all I will mark you brainly

hi folllow me at talfishmanfanpage09

Where is the moon? I’m graduated so my points are up for grabs cause I’ll never use them. I have to at least as a question with it though.

How are you feeling today