TEST SERIES

Question

Let f(n) = 18 n4 +20 n log n and g(n) = 9758 n3 log n + 9565 n2. Which of the following is true?( Marks: -0.33 )

1.   f(n) is not O(g(n)) and g(n) is not O(f(n))
2.  ​​​​f(n) is O(g(n)), but g(n) is not O(f(n))
3.   g(n) is O(f(n)), but f(n) is not O(g(n))
4.  ​​​​​​​ f(n) is O(g(n)) and g(n) is O(f(n)).

Comments

Is 3 the answer?

Answer 1

Option 3 most appropriate

Comments

Can u explain?

plzz