evaluate each of the following using appropriate identities (a square+ b square

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evaluate each of the following using appropriate identities (a square+ b square

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

Step-by-step explanation:PLEASE THANK ME AND SELECT MY ANS AS BRAIN LIST ANS

Answer:this is a simple identity from rd Sharma

a²+b²=(a+b)²-2ab