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Which of the equations are true identities? A. (a+b)(2a+1)=a(2a+2b+1) B. (n+2) 2 −n 2 =4(n+1) ​
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4 votes
Which of the equations are true identities?

A. (a+b)(2a+1)=a(2a+2b+1)
B. (n+2) 2 −n 2 =4(n+1) ​

User Adya
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1 Answer

3 votes
the answer is a. it is a true identity
User MrDustpan
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