Question

verify closure property w. r. t addition and subtraction for the following values ; 1) if a=8 and b = 12​

Answer 1

Step-by-step explanation:

I have given the answer with subtraction the closure proper doesn't satisfy

Answer 2

Answer:

a + b = 8 + 12 = 20 ( closure property of addition )

a - b = 8 - 12 = -4 ( closure property of subtraction )