Factorise\[:\]\[4{{a}^{2}}+9{{b}^{2}}+{{c}^{2}}+12ab+4ac+6bc\].

1.	Factorise\[:\]\[4{{a}^{2}}+9{{b}^{2}}+{{c}^{2}}+12ab+4ac+6bc\].
A.	\[{{(2a+3b+c)}^{2}}\]
B.	\[{{(a+3b+2c)}^{2}}\]
C.	\[{{(a-3b+2c)}^{2}}\]
D.	\[{{(2a+3b-c)}^{2}}\]
Answer» B. \[{{(a+3b+2c)}^{2}}\]

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Factorise\[:\]\[4{{a}^{2}}+9{{b}^{2}}+{{c}^{2}}+12ab+4ac+6bc\].

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