Write a pair of integers whose product is –12 and there lies seven integers between them (excluding the given integers).
Answers
Given : A pair of integers whose product is - 12 & Seven integer lies between them (excluding the given integers)
To find : Pair of integers
Solution:
As 7 integers lies between (excluding the given integers)
so Let say Numbers are N , N + 8
N(N + 8) = - 12
=> N² + 8N + 12 = 0
=> N² + 6N + 2N + 12 = 0
=> N(N + 6) + 2(N + 6) = 0
=> (N + 2)(N + 6) = 0
=> N = - 2 , - 6
=> N + 8 = 6 , 2
Pair is ( - 6 , 2) or (-2 , 6)
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