Question

formula:a²+b²=
(a+b)²=
a²-b²=
(a-b)²=​

Answer 1

Answer:

(a+b)²= a²+2ab+b²

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Step-by-step explanation:

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Answer 2

Answer:

open class 9th book and then open 2nd chapter. and go on 2.2 exercise and after this exercise u will find ur answer. .