Math, asked by anjanakumari101975, 7 months ago

Using identity find the value of 401^2-399^2

Answers

Answered by MagicalBeast

14

Answer:

1600

Step-by-step explanation:

401²-399²

using identity (a²-b²) = (a+b)(a-b)

= (401+399)(401-399)

= (800)(2)

= 1600

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