Find the value of (2a + 1)2 using standard identity.

1.	Find the value of (2a + 1)² using standard identity.
A.	4a<sup>2</sup> + 2 + 2a
B.	4a<sup>2</sup> + 2 4a
C.	4a<sup>2</sup> 2 + 4a
D.	4a<sup>2</sup> + 2 + 4a
Answer» E.

Discussion

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