Question

B. Fill in the blanks.
1. Property used in the identity a+b= b-a is________
2. The product of a rational number and it______is 1​

Answer 1

Answer:

1. not possible

2. reciprocal

Step-by-step explanation:

1. a+b=b+a is correct(commutative property)

a+b is not equal to b-a

if a+b=b-a

(solving)

a= -a

but this is incorrect. so a + b is not equal to b-a

2. reciprocal

please mark it as brainest