Question

if a and b are two whole numbers then which of the following statements is not correct
a+b=b+a
ab=ba
a-b=b-a
none of these
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Answer 1

Answer:

a-b=b-a is incorrect

Step-by-step explanation:

Suppose is a= 5 and b=4 ,then

5-4=1 but

4-5= (-1)

so these two answers aren't equal....

Therefore we can't say that a-b=b-a

MARK AS BRAINLIEST

Answer 2

Answer:

a-b = b-a

let, a=2 & b=1

then , a-b=2-1 = 1 & b-a= 1-2= -1