[This image show an example in a textbook that am having difficulty in understand how they get 2.12.81 and 2.12.82][1]
Kindly help with the value of B [1]: https://i.sstatic.net/k4HaF.jpg
[This image show an example in a textbook that am having difficulty in understand how they get 2.12.81 and 2.12.82][1]
Kindly help with the value of B [1]: https://i.sstatic.net/k4HaF.jpg