If ab=cd=ef=3,ab=cd=ef=3, then 2a2+3c2+4e22b2+3d2+4f22a2+3c2+4e22b2+3d – McqOptions

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1.	If ab=cd=ef=3,ab=cd=ef=3, then 2a2+3c2+4e22b2+3d2+4f22a2+3c2+4e22b2+3d2+4f2 = ?
A.	2
B.	3
C.	4
D.	9
Answer» B. 3

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