solve them using Wolfram Mathematica 12.3

Question 2-d* 4) The number of integers 1 SnS 1000 such that u(n) = 1 is: a) 300 b) 303 c) 305 a b Question 2-b* 2) Line 4 should be replaced by: a) If[sqrf[n], Return(0); b) If[!sqrf[n], Return[0], c) There are no mistakes in this line a b