differential rquations

0 Which of the following differential operator does annihilate the function 16(sin2a: + 3)? Answer: (i) (02 + 49 + 5)(D 1) (ii) (D2 + 40 + 5)2(D 1) (iii) (1)2 + 40 + 5WD 1)2 (iv) (D2 20 + 5)2(D I}? (v) None of above Mark the correct answer in the ois, whichever of the (i), (ii), (iii), (iv) and (v) options is correct