Ответ:

Объяснение:

14. f'(x)=15*1/5(x)^(1/5-1)+34*1/17(x)^(1/17-1)=3(x)^(-4/5)+2(x)^(-16/17)

f'(1)=3+2=5

15 y'(x)=((2,6x^1,6)(x^1,3-3)-(1,3x^0,3)(x^2,6-9))/(x^1,3-3)²

y'(1)=((2,6*(1-3)-1,3*(1-9))/(1-3)²=(1,3(-4)+8)/4=-1,3+2=0,7