If ab + bc + ca = 8 and a + b + c = 12 then (a2 + b2 + c2) is equal to – McqOptions

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1.	If ab + bc + ca = 8 and a + b + c = 12 then (a2 + b2 + c2) is equal to∶
A.	160
B.	144
C.	134
D.	128
Answer» E.

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