I agree. The history channel once upon a time fell in the 0.1% but now...ancient aliens and swamp people lol. The only documentaries I trust now are on science channel.
It's mentioned in the documentary about tesla on the history channel. The name of the documentary is "The History Channel-Modern Marvels:Nikola Tesla:Mad Electricity." Mind you they also air ancient aliens so much its as if they believe aliens were apart of everyday life in antiquity.
Homework Statement
find the laurent series of sin(2z)/(z^3) in [z]>0
Homework Equations
The Attempt at a Solution
I am completely confused. I can understand some of the examples given on laurent series, like using partial fractions and then finding geometric series. Do I rewrite...
all i want is a simple hint i don't want anyone to do the problem for me I just want a little help. just a little push in the right direction would be so helpful.
Homework Statement
write f(z)= (z+i)/(z^2+1) in the form w=u(x,y)+iv(x,y)
Homework Equations
The Attempt at a Solution
I tried using the conjugate and also expanding out algebraically but I can not seem to get the right answer. I know what the answer is...
Homework Statement
s2/((s2-1)(s-1)2)
Homework Equations
laplace tables
The Attempt at a Solution
I attempted the shifting method and also partial fraction method but efforts were fruitless
Someone hit some random combination of keys that locked up some of the keyboard. A few of them started working but there is still a couple that don't work. Does anyone know how to unlock these keys?:uhh:
oh yeah i know i put cos by accident, but that is the solution right? I arrived at this solution by a long trial and error method. any way to quickly get at it in general?