Math, asked by yogitadeepthi, 13 days ago

Find the value of 2009 X 1991

Answers

Answered by Cherrylips

15

Answer:

Value of 2009 X 1991 is 3999919.

Answered by NamanVibin

1

Answer:

(2000+9)(2000-9)

=2000²-9²

4000000-81

399919

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