a) (a + b)2 = a2 + b2
b) (a + b)2 = a2 + b2 + 2ab
c) (a – b)2 = a2 + b2 – 2ab
d) (a + 1)(a + 2) = a2 + 3a + 2
Select the term which is not an identity.
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answerhappygod
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Select the term which is not an identity.
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