Write these identities and equations a) (a+b) 2=a2+2ab+b2 b) (a-b) (a-b) -2ab+b2 c) (a+b) (a-b) =a2-b2
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Step-by-step explanation:
(a+b) 2=a2+2ab+b2 b) (a-b) (a-b) -2ab+b2 c) (a+b) (a-b) =a2-b2
Answered by
2
Step-by-step explanation:
(a+b) 2=a2+2ab+b2 b) (a-b) (a-b) -2ab+b2 c) (a+b) (a-b) =a2-b2
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