Math, asked by gargkajal732, 4 months ago

1999×2001 how to solve ncert soltion

Answers

Answered by FastLearner06

1

Answer:

3999999

Step-by-step explanation:

1999×2001

(2000-1)(2000+1)

(2000)^2 - (1)^2. since, (a+b)(a-b) = a^2 - b^2

4000000-1

3999999

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