A) \[{{a}^{6}}+{{b}^{6}}\]
B) \[{{a}^{6}}-{{b}^{6}}\]
C) \[{{a}^{5}}-{{b}^{5}}\]
D) \[{{a}^{7}}-{{b}^{7}}\]
Correct Answer: B
Solution :
[b] \[\left( a+b \right)\left( {{a}^{2}}-ab+{{b}^{2}} \right)\left( {{a}^{3}}+\text{ }{{b}^{3}} \right)\] \[=({{a}^{3}}-{{b}^{3}})({{a}^{3}}+{{b}^{3}})={{a}^{6}}-{{b}^{6}}\]You need to login to perform this action.
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