The sum of 3 numbers in A.P. is 3 and their product is -35 . find the numbers.
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The sum of 3 numbers in A.P. is 3 and their product is -35 . find the numbers.
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Sum = 3
=> a - d + a + a + d = 3
=> 3a = 3
=> a = 1
Now,
Product = - 35
=> (a-d) (a) (a+d) = - 35
=> (a^2 - d^2) (1) = - 35
=> ( 1 - d^2) = - 35
=> d^2 = 36
=> d = 6
Required numbers are - 5, 1 and 7