Answer :
Answer:
The physically meaningful of arithmetic operations are [tex]$\frac{A}{B}$[/tex] and [tex]$AB$[/tex]
Explanation:
There are mainly four basic operations in arithmetic.
(i) Addition
(ii) Subtraction
(iii) Subtraction
(iv) Multiplication
(v) Division
Addition and subtraction only make sense when quantities of addition and subtraction are same in dimensions. Means addition and subtraction only performed when units match up.
So, one cannot perform addition and subtraction for two quantities [tex]$A$[/tex] and [tex]$B$[/tex]. Therefore, one can multiply and divide two quantities of different dimensions.
For example: [tex]$Speed=\frac{\text { distance }}{\text { time }} .$[/tex]
Here distance is in meters and time is in seconds.
Hence, [tex]$A B$[/tex] and [tex]$\frac{A}{B}$[/tex] arithmetic operations could be physically meaningful if both having different dimensions.
Learn more about dimensions in physics, refer :
https://brainly.com/question/23424851