0:53:02: Q1 What is partial f/ partial u_6? ANS:-0.53
0:57:04: Q2 what is partial u6/ partial u5? ANS:1.0
1:00:46: Q3 what is partial f/ partial u_5? ANS:-0.53
1:08:54: Q4 what is partial f/partial w0? ANS:-0.2