Time And Space Complexity

[agarwal.priyanshu98 (Priyanshu Agarwal)]

Hey could you please help me to know about the time and space complexity for this?

[S18ML0016 (Virender Singh)]

Hello @agarwal.priyanshu98,

For what? Which question?
There are separate methods to compute time complexity of recurrence relations:

Analysis of Algorithm | Set 4 (Solving Recurrences) - GeeksforGeeks

hope, this would help.