Multiple Choice Question (MCQ)

Question: What is the expanded form of (a+b)2?
A. a<sup>2</sup> + 2ab + b<sup>2</sup>
B. a<sup>2</sup> - 2ab + b<sup>2</sup>
C. a<sup>2</sup> + 2ab - b<sup>2</sup>
D. (-a<sup>2</sup> - 2ab + b<sup>2</sup>)
Correct Answer: a<sup>2</sup> + 2ab + b<sup>2</sup>