An Example on - -
Solved Examples
Attempt following question by selecting a choice to answer.
f
Multiply:
[(a + b) + c]2
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A.  fa2 - b2 + c2 + 2ab + 2bc + 2ca
B.  fa2 + b2 + c2
C.  fa2 + b2 + c2 + 2ab + 2bc + 2ca
D.  fa2 + b2 + c2 + 2ab

ff