Question

(a+b)^2=a^2+b^2+2ab
step by step​

Answer 1

Answer:

pas-ubuf-soz

pas-ubuf-soz

pas-ubuf-soz

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Answer 2

Answer:

(a+b)²=a²+b²+2ab

proof,

(a+b)²=(a+b)(a+b)=a(a+b) + b(a+b)

=a²+ab+ab+b²

=a²+2ab+b²

thus

(a+b)^2=a^2+b^2+2ab