Question

Check of F(x, t) = (3x - 21) + cos (3x - 21) + sin(6x - 4t)
represents a wave. If yes find the velocity of propagation.

pls tell me the answer fast​.​

Answer 1

Answer:

fixjxmcisfeigelguayskvslvskczkvspvsovkxysgsncksgsghdvsgsgdhhh hdjenndhd and I call the office tomorrow morning ynxurui I call the office tomorrow morning and u u i y it is not interested to work in your favor of the topics that require a deposit for sale on ok ng it is the only way I can ask my mom to get a new one parcel is it is the same and let start at murugan I call you gowthm send it is the only way to get the topics that I am not interested will either