Válasz:
# Dy / dx = 3sqrtx #
Magyarázat:
# Y = 2xsqrtx = UV #
# Dy / dx = u (DV) / dx + v (du) / dx #
# U = 2x #
# (Du) / dx) = 2 #
# V = sqrtx = x ^ (1/2) #
# (Dv) / (dx) = 1/2 * x ^ (1 / 2-1) = x ^ (- 1/2) / 2 #
# Dy / dx = 2x * x ^ (- 1/2) / 2 + 2 * x ^ (1/2) = sqrtx + 2sqrtx = 3sqrtx #
