Evaluate(399) using suitable identity plz bol do
Answers
Answered by
1
Answer:
MATE WE WILL SOLVE THIS USING( A-B)WHOLE SQUARE ...
(400-1)WHOLE SQUARE..
=160000+1-800=159201...answer..
FOLLOW ME AND MARK AS BRAINLIEST
Answered by
1
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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