A) \[6{{x}^{2}}+8xy-8{{y}^{2}}\]
B) \[{{x}^{2}}-8xy-8{{y}^{2}}\]
C) \[8{{x}^{2}}-xy-8{{y}^{2}}\]
D) All of these
E) None of these
Correct Answer: A
Solution :
Explanation Option [a] is correct. \[\left( 2x+4y \right)\left( 3x-2y \right)=\] \[=6{{x}^{2}}-4xy+12xy-8{{y}^{2}}=6{{x}^{2}}+8xy-8{{y}^{2}}.\]
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