A thin rod runs along the x axis from the origin to
x = l. Its linear charge density (C/m) is given by
λ = λ_0(x/l)^2 sin (x/lπ), where λ_0 is a constant.
Show that at the origin,
The Attempt at a Solution
Sorry I couldnt provide any start to this problem, kind of hit a mental block. A jump start would be much appreciated.