1.

Factories: \[27{{x}^{3}}+ 64{{y}^{3}}+ 108{{x}^{2}}+ 144x{{y}^{2}}\].

A. \[{{\left( 3x + 4y \right)}^{3}}\]    
B. \[{{\left( 2x + 4y \right)}^{2}}\]
C. \[{{\left( 3x - 4y \right)}^{2}}\]
D.            \[{{\left( 9x + 2y \right)}^{6}}\]
E. None of these
Answer» B. \[{{\left( 2x + 4y \right)}^{2}}\]


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