The value of (1018)² - 1019 × 1017 + 1015 × 1012 - 1016 × 1011 is:

A. 1

B. 4

C. 3

D. 5

Answer: Option D

Solution(By Examveda Team)

1018² - 1019 × 1017 + 1015 × 1012 - 1016 × 1011
= 1018² - (1018 + 1) × (1018 - 1) + (1016 - 1) × (1011 + 1) - 1016 × 1011
= 1018² - 1018² + 1 + 1016 × 1011 + 1016 - 1011 - 1 - 1016 × 1011
= 5