Question

The value of 399² -398² is​

Answer 1

Answer:

399+398=797

Step-by-step explanation:

it's the simplest process

Answer 2

Answer:

$By\ using\ the\ formula (a^2-b^2)=(a+b)\ (a-b)$

399² -398²

=>(399+398)(399-398)

=>(797)(1)

=>797×1

hence,797 is answer..

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