Question

Prove that a²+b²+2ab= (a+b)²

Answer 1

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your answer is in above attachment ...

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Answer 2

Hey there !

Answer:

( a + b )² can be written as ( a + b ) ( a + b )

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

=> ( a × a + a × b + b × a + b × b )

=> a² + ab + ab + b²

=> a² + 2ab + b²

= RHS

This is the required answer.