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mash [69]
3 years ago
11

Làm ơn hãy giúp tôi (a+b)² (a-b)²

Mathematics
2 answers:
marysya [2.9K]3 years ago
8 0

Answer:

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

Step-by-step explanation:

hopethe answer helped you :)

d1i1m1o1n [39]3 years ago
4 0

Answer:

(a+b)² = a²+2ab+b²

(a-b)² = a²-2ab+b²

Step-by-step explanation:

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