September 2018 2 55 Report
13) ( a + b )3


A) a3 + 3a2b + 3 ab2 + b3
B) a3 - 3a2b + 3ab2 + b3
C) a3 + 3a2b - 3ab2 + b3
D) a3 - 3a2b - 3ab2 + b4



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