Multiple Choice Question (MCQ)

Question: Which is expanded form of a3- b3?
A. (a+b) (a<sup>2</sup> - b<sup>2</sup>- ab)
B. (a-b) (a<sup>2</sup> + b<sup>2</sup> + ab)
C. (a-b) (a<sup>2</sup> - b<sup>2</sup> - ab)
D. (a-b) (a<sup>2</sup> - b<sup>2</sup>+ ab)
Correct Answer: (a-b) (a<sup>2</sup> + b<sup>2</sup> + ab)