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