\[{{x}^{5}}+10{{x}^{4}}a+40{{x}^{3}}{{a}^{2}}+80{{x}^{2}}{{a}^{3}}\]\[ – McqOptions

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1.	\[{{x}^{5}}+10{{x}^{4}}a+40{{x}^{3}}{{a}^{2}}+80{{x}^{2}}{{a}^{3}}\]\[+80x{{a}^{4}}+32{{a}^{5}}=\]
A.	\[{{(x+a)}^{5}}\]
B.	\[{{(3x+a)}^{5}}\]
C.	\[{{(x+2a)}^{5}}\]
D.	\[{{(x+2a)}^{3}}\]
Answer» D. \[{{(x+2a)}^{3}}\]

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