Question

write identify ( a+b )² ?
with explanation ​

Answer 1

Answer:

a^2 + 2ab + b^2

Step-by-step explanation:

just write (a+b)^2 = (a+b)(a+b) and then multiply

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Answer 2

(a+b)²=(a+b)(a+b)

= a(a+b)+b(a+b)

= a²+ab+ab+b²

= a²+2ab+b²

(a+b)² =a²+2ab+b²