value and identity of 1999×1999. please say fast
Answers
Answered by
1
Answer:3996001
Step-by-step explanation:
1999×1999=(2000_1)^2
=(2000)^2+1^2_2×2000×1
=4000000+1_4000
=3996001
Similar questions
Hindi,
5 months ago
Math,
5 months ago
Math,
1 year ago
Political Science,
1 year ago
English,
1 year ago