ответ : f'(x) = 10x^9 - 90x^8 + 440x^7 - 1400x^6 + 3180x^5 - 5260x^4 + 6360x^3 - 5400x^2 + 2970x - 810
ответ : f'(x) = 10x^9 - 90x^8 + 440x^7 - 1400x^6 + 3180x^5 - 5260x^4 + 6360x^3 - 5400x^2 + 2970x - 810