Question

laplace unit step function (t-4)???

Answer 1

\[u(t-4)\]

Answer 2

What exactly is your question?

Answer 3

If you need some general help understanding it and how it used, you might find this lecture helpful:
http://ocw.mit.edu/courses/mathematics/18-03-differential-equations-spring-2010/video-lectures/lecture-22-using-laplace-transform-to-solve-odes-with-discontinuous-inputs/

Answer 4

laplace the equation....actually the equation given is unit step function..as 91 typing...could u understand me?

Answer 5

and also how to laplace this one(t-4/(4))

Answer 6

I recommend you watch the lecture. He will explain that for you.

Answer 7

ow ya i will watch it