উৎপাদকে বিশ্লেষণ করঃ a3 +3a+36
A
(a-3)(a2-3a+12)
B
(a+3)(a23a-12)
C
(a+3)(a2-3a+12)
D
(-3-a)(a2-3a+12)
Correct Answer: (a+3)(a2-3a+12)