Add: ab-bc, bc-ca,ca-ab Class 8 Ex 9.1 Q 3 (i)
We have, ab-bc, bc- ca, ca- ab
ab – bc
+ bc – ca
– ab + ca
0 + 0 + 0
Thus, the sum of the expression is 0.
Next Question : Add : a-b+ab, b-c+bc, c-a + ac Class 8 Ex 9.1 Q 3 (ii)
Add: ab-bc, bc-ca,ca-ab Class 8 Ex 9.1 Q 3 (i)