Question
The sum and product of two integers are 26 and 165 respectively. The difference between these two integers is
Options :
2
3
4
6
Answer :
4
Solution :
Let two numbers are x and y
Given, (x + y) = 26
xy = 165
We know that, (x – y)2 = (x + y)2 – 4xy
= (26)2 – 4 × 165
(x – y)2 = 16
x-y = 4
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