Prove the following identities : (i) (a+b)2=a2+b2+2ab (ii) (a−b)2= – InterviewSolution

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1.	Prove the following identities : (i) (a+b)2=a2+b2+2ab (ii) (a−b)2=a2+b2−2ab [2 MARKS]
Answer» Prove the following identities : $(i) (a + b)^{2} = a^{2} + b^{2} + 2 a b$ $(i i) (a - b)^{2} = a^{2} + b^{2} - 2 a b$ [2 MARKS]

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