Math, asked by sanskratisinghmaurya, 7 months ago

Evaluate [(405)²-(395)²]​

Answers

Answered by avmotiramss10b
4

Answer:

(405+395)(405-395)

=800×10=8000.

Step-by-step explanation:

Answered by arya45049
6

Answer:

8000

Step-by-step explanation:

(405)² - (395)²

use formula a² - b² = (a+b) (a-b)

So (405)²- (395)²

= ( 405 + 395 ) (405 - 395)

= ( 800) ( 10 )

8000

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