Propagation of Errors

2025 1 question

1. A physical quantity $P$ is related to four observations $a, b, c$ and $d$ as follows: $P = a^3 b^2 / c\sqrt{d}$. The percentage errors of measurement in $a, b, c$ and $d$ are 1%, 3%, 2%, and 4% respectively. The percentage error in the quantity $P$ is: