Math, asked by rajpratapsingh21800, 9 months ago

calculate 997 square using a algebraic identities

Answers

Answered by anonymo009

4

Answer:

994009

Step by Step Explanation:

997² = (1000-3)² = 1000² - 2.1000.3 + 3²

= 1000000 - 6000 + 9 = 1000000 -5991

994009

Hope it helps you..........

Answered by Anonymous

1

(100-3)²

= (100)²-2.100.3+(3)²

= 10000-600+9

= 9409

Identity used :- [(a+b)² = a²-2ab+b²]

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