Using the special products to actually multiply things is a convenient shortcut, but not absolutely essential. Those special products, however, become REALLY useful when you need to factor things. For example, if you see the difference of two squares, you can factor it quite quickly if you remember the corresponding rule.
it's more the study of WHEN TO FOLLOW rules and regulations.
it is a depth study and fect finding
A study based on documents, rather than on fact finding?
Exploration.
One may go about finding study opportunities in Japan at the website "Study Japan". They have great information for foreigners who want to study in Japan and provide tips on how to find the best spots.
I will not going to answer this. this is your study. lazy noob
Special relativity can be used to study an object in physical events.
the rules of their assignments
replication
case study on howto price your products
Dairyometry
study it and its value