Math, asked by nalinisahu98610, 9 months ago

Evaluate(399) using suitable identity plz bol do

Answers

Answered by ritik1411

Answer:

MATE WE WILL SOLVE THIS USING( A-B)WHOLE SQUARE ...

(400-1)WHOLE SQUARE..

=160000+1-800=159201...answer..

Answered by Anonymous

Answer:

159201

Step-by-step explanation:

(a-b)²= a²+b²-2ab

(400-1)²

=400²+1²-2(400)(1)

solve to get answer

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