If f(x) = 2ln(√e), what is the area bounded by f(x) for the interval [0, 2] on the x-axis?

Four equilateral triangles are used to form a regular closed three-dimensional object by joining along the edges. The angle between any two faces is

In order to numerically solve the ordinary differential equation 𝑑𝑦/𝑑𝑡 = −𝑦 for 𝑡 > 0, with an initial condition 𝑦(0) = 1, the following scheme is employed...