Four different integers form an increasing A.P. One of these numbers is equal to the sum of the squares of the other three numbers. Then |
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The product of all numbers is |
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a) |
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b) |
1 |
c) |
0 |
d) |
2 |
Four different integers form an increasing A.P. One of these numbers is equal to the sum of the squares of the other three numbers. Then |
||||||||
|
The product of all numbers is |
|||||||
|
a) |
|
b) |
1 |
c) |
0 |
d) |
2 |
(c)
Let the four integers be and
, where
and
are integers and
. Now,
(1)
(2)
Since is a positive integer, so
Hence from (2),
or
But since
Hence, the four numbers are