Ableitungen mit maxima:
diff(sqrt(x),x,5); 105/32⋅x-9/2
diff(sqrt(x),x,5);
diff(sqrt(x),x,6); -945/64⋅x-11/2
diff(sqrt(x),x,6);
Vermutung f(n)(1) = (- 1)n+1⋅(2n - 1)!!⋅2-n
= 1 + ⋅d - ⋅d2 + ⋅d3 - ...
besser: = 7/5