Question

(a+b)²=?
(a-b)²=?
(a+b)(a-b)=?​

Answer 1

Answer:

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Step-by-step explanation:

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

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

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

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Answer 2

Step-by-step explanation:

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

(a-b)²= (a-b) × (a-b) OR (a^2 + b^2 - 2 ab)

(a+b)(a-b)= (a^2 - b^2 ) OR , (a square - b square)