Question

d)A + B = B + A is called ………………………………………………… property​

Answer 1

Answer:

+ B = B + A is called closure property

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Answer 2

$\begin{gathered}{\Huge{\textsf{\textbf{\underline{\underline{\purple{Answer:}}}}}}}\end{gathered}$

$\implies$ Commutative Property.

REASON:-

Commutative Laws,

The "Commutative Laws" say we can swap numbers over and still get the same answer ...

... when we add:

a + b  =  b + a