Solve for x
arctan((1-x)/(1+x))=(1/2)arctanx​

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.