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The sum and product of two integers are $26$ and $165$ respectively. The difference between these two integers is ______

  1. $2$
  2. $3$
  3. $4$
  4. $6$
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x+y=26

x*y=165

x*(26-x)=165

$26x-x^{2}=165$

$x^{2}-26x+165=0$

so x=15,11

so answer is =15-11=4
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