Svar:
# X (2x5) ^ 4 * (x ^ 2 + 2) ^ 2 - (2x-5) ^ 5 * 4x (x ^ 2 + 2)) / (x ^ 2 + 2) ^ 4 #
Forklaring:
# f '(x) = (f' (x) * g (x) - f (x) * g '(x)) / (g (x)) ^ 2 #
(2x-5) ^ 4 * 2) (x ^ 2 + 2) ^ 2) - (2x-5) ^ 5 * (2 (x ^ 2 + 2) * 2x)) / ((x ^ 2 + 2) ^ 2) ^ 2 #
# X (2x5) ^ 4 * (x ^ 2 + 2) ^ 2 - (2x-5) ^ 5 * 4x (x ^ 2 + 2)) / (x ^ 2 + 2) ^ 4 #
Du kan reducere mere, men det er keder dig at løse denne ligning, brug bare algebraisk metode.