The sum of three numbers in AP is -3 and their product is 8 find the number
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Answered by
4
Let the numbers be (a-d),a,(a+d)
ATQ
a-d+a+a+d = -3
3a= -3
a. = -1
ATQ
(a-d) x a x (a+d) = 8
(-1-d) x -1 x (-1+d) = 8
1+d x (-1+d) = 8
-1+d-d+d² = 8
-1+d² = 8
d² = 9
So d = +3 or -3
The number are if d = 3
-4,-1,2
If d=-3
2,-1,-4
Answered by
9
Answer:
the numbers are -4, -1 , 2 or 2,-1,-4
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