The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is
(a)
20
(b)
30
(c)
40
(d)
None of these
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is
(a)
20
(b)
30
(c)
40
(d)
None of these
Question ID - 54204 | SaraNextGen Top Answer
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is
(a)
20
(b)
30
(c)
40
(d)
None of these
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The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is |
|
|||||||
|
(a) |
20 |
(b) |
30 |
(c) |
40 |
(d) |
None of these |
|
1 Answer
127 votes
Then, 
and 
127