Questions :
What is the least number that should be added to the product 11 × 12 × 13 × 14 to make it a perfect square ?
Options :
- 31
- 311
- 5
- 55
correct answer : a)
[2(24204 – 15²)]
a² – b² = (a + b)(a – b)
24024 – 225 = 23999
Questions :
What is the least number that should be added to the product 11 × 12 × 13 × 14 to make it a perfect square ?
Options :
correct answer : a)
[2(24204 – 15²)]
a² – b² = (a + b)(a – b)
24024 – 225 = 23999