Question

Add the following :

a) a-b+ab , bc-ca , ca-ab
b) a-b+ab , b-c+bc , c-a+ac​

Answer 1

Answer:

a) bc + a - b

b) ab + ac + bc

Step-by-step explanation:

a) a-b+ab + bc-ca + ca-ab

   ⇒ (ab - ab) + ( -ca +ca) + bc + a - b

   ⇒  bc + a - b

b) a-b+ab + b-c+bc + c-a+ac​

   ⇒ (a - a) + (-b +b) + (-c + c) + ab + ac + bc

   ⇒ ab + ac + bc