WBCS.LIVE practice question

Find the least number added to 8798 x 8792 to make it a perfect square.

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 9
  2. 3
  3. 7
  4. 6

Correct answer and explanation

Correct answer: 9

Explanation: āœ… Correct Answer: A) 9 šŸ“š Explanation: Step by step solving: Let the numbers be (n + 3) and (n - 3), where n = 8795 The product is (n + 3) (n - 3) = n2 - 9. To make the expression n2 - 9 a perfect square (n2), exactly 9 must be added.