two *(eight *x/(four *x^ two + one)^ two + two /((x - one)*(four *x^ two + one)) + acot(two *x)/(x - one)^ two)/(x - one) = zero
2 multiply by (8 multiply by x divide by (4 multiply by x squared plus 1) squared plus 2 divide by ((x minus 1) multiply by (4 multiply by x squared plus 1)) plus arcco tangent of gent of (2 multiply by x) divide by (x minus 1) squared ) divide by (x minus 1) equally 0
two multiply by (eight multiply by x divide by (four multiply by x to the power of two plus one) to the power of two plus two divide by ((x minus one) multiply by (four multiply by x to the power of two plus one)) plus arcco tangent of gent of (two multiply by x) divide by (x minus one) to the power of two) divide by (x minus one) equally zero