Question

Verify a – b = b – a if the value a = -7/6 and b = 5/2​

Answer 1

Answer:

a=21b=18

We have a−(−b)

⇒a=21−(−18)=39

and a+b=21+18=39

(ii) a=118b=125

We have a−(−b)

⇒18−(−125)=243

and a+b=118+125=243

Hence proved a−(−b)=a+b