Найдите производную y=x^10-3∛x^7+1/x²-∛10

Y ' = (x^10 - 3*x^(7/3) + x^(-2) - 10^(1/3)) ' =
    = 10x^9 - 3*7/3 *x^(7/3 - 1) - 2*x^(-2-1) =    
    = 10x^9 - 7*x^(4/3) - 2*x^(-3)  =
    = 10x^9 - 7x∛x - 2/(x^3)