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Làm ơn hãy giúp tôi (a+b)² (a-b)²

Làm ơn hãy giúp tôi (a+b)² (a-b)²
asked 66.3k views
5 votes
Làm ơn hãy giúp tôi
(a+b)²
(a-b)²

asked
User Adelia
by
8.7k points

2 Answers

1 vote

Answer:

(a+b)² = a²+2ab+b²

(a-b)² = a²-2ab+b²

Explanation:

answered
User Yakuhzi
by
8.6k points
6 votes

Answer:


(a + b) ^(2) = {a}^(2) + 2ab + {b}^(2) \\ (a - b) ^(2) = {a {}^(2) - 2ab + {b}}^(2)

Explanation:

hopethe answer helped you :)

answered
User Astrochun
by
9.1k points
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