angie178
angie178 angie178
  • 03-05-2017
  • Mathematics
contestada

How can I show that a * b = a+b+ab/100 is commutative?

Respuesta :

LammettHash
LammettHash LammettHash
  • 03-05-2017
* is commutative if a*b = b*a.

[tex]b*a=b+a+\dfrac{ba}{100}=a+b+\dfrac{ab}{100}=a*b[/tex]

so the operation must be commutative because the component operations (addition and multiplication) are commutative.
Answer Link

Otras preguntas

What is the role of the press secretary
What is the central role of carbon in the chemistry of living organisms?
If 15 baseballs weigh 75 ounces, how many baseballs weigh 15 ounces well i got 5 balls weight 15 ounces because if you divide 75 ounces by 15 ounces then it wil
Why must the government consider companies’ needs as well as those of workers?
Which of the following is not a function of skin. A. Provide support for the body B. Protect the body C. Form vitamin d D. Rid the body of waste
What is the Point - Slope Form of a Line With Slope 6 that Contains the Point ( 1 , 2 ) ?
Don't just answer please explain :)
What does the word "concurrent" mean in the context of federalism? A. separate B. divided C. joint D. practical
Can somebody help this is adding integers
If you want the Inkscape Page to be wider than it is tall, which type of orientation should you use?