Question

verify a×(b+c)=a×b+a×c,taking the following values of a b and c . a=-20,b=15,c=-25​

Answer 1

Answer:

(i) 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