If (a + b + c) = 6 andÂ a2+b2+c2= 14, then (ab + bc + ca) = ?_x005F_ – McqOptions

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1.	If (a + b + c) = 6 andÂ a2+b2+c2= 14, then (ab + bc + ca) = ?_x005F_x000D_
A.	22
B.	11
C.	33
D.	44
Answer» C. 33

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