Question

please give formula for this - (a+b)^2​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

a²+b²+2ab

actually the basic concept behind this is

(a+b) x(a+b)

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

a²+ab+ba+b²

a²+b²+2ab.......( since ab =ba)