Q584
The value of (1018)2 - 1019 × 1017 + 1015 × 1012 - 1016 × 1011 is:
A.
1
B.
4
C.
3
D.
5
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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