The sum of the squares of three numbers is 138, while the sum of their product taken two at a time is 131. Their sum is :

The sum of the squares of three numbers is 138, while the sum of their

1.	The sum of the squares of three numbers is 138, while the sum of their product taken two at a time is 131. Their sum is :
A.	0
B.	0
C.	0
D.	one of these
Answer» B. 0

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The sum of the squares of three numbers is 138, while the sum of their product taken two at a time is 131. Their sum is :

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