The sum and product of two integers are 26 and 165 respectively. The difference between these two integers is ______
A. 2 B. 3 C. 4 D. 6
GATE 2019 · General Aptitude · Numerical Computation · medium
Answer: The difference between the two integers is 4.
- Apply the sum-difference-product identity: (a - b)^2 = 26^2 - 4 * 165 = 676 - 660 = 16.
- Take the square root to get the difference: |a - b| = sqrt(16) = 4.