Add the following a-b+ab,b-c+bc, c-a+ab
A 0
B a+b+c
C ab+bc+ca
D none of these
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Step-by-step explanation:
Answer -
D - None of these
Answered by
0
a-b+ab + b-c+bc + c-a+ac
= a - a - b + b - c + c + ab + bc + ac (regrouping like terms)
= 0 + ab + bc + ac
= ab + bc + ac
Answer is Option (C) ab + bc + ca
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