A) \[{{a}^{2}}-{{b}^{2}}=(a+b)(a-b)\]
B) \[{{(a-b)}^{2}}={{a}^{2}}-2ab+{{b}^{2}}\]
C) \[{{(a+b)}^{3}}={{a}^{3}}+3{{a}^{2}}b+3a{{b}^{2}}+{{b}^{3}}\]
D) \[{{(a-b)}^{3}}={{a}^{3}}-3{{a}^{2}}b+3a{{b}^{2}}-{{b}^{3}}\]
Correct Answer: B
Solution :
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