4 / 2\ \3 + x /
(3 + x^2)^4 при x = 3/2
(3 + x^2)^4
(3 + (3/2)^2)^4
194481/256
(3.0 + x^2)^4
8 6 4 2 81 + x + 12*x + 54*x + 108*x