Question

Помогите решить математику ПЖЖ"!!!!

Answer 1

$y' = left(dfrac{4}{3 + x^{3}} right)' = -4 cdot dfrac{(3 + x^{3})'}{(3 + x^{3})^{2}} = -dfrac{12x^{2}}{(3 + x^{3})^{2}}$

$y'(2) = -dfrac{12cdot 2^{2}}{(3 + 2^{3})^{2}} = -dfrac{12cdot 4}{(3 + 8)^{2}} = -dfrac{48}{121} approx -0,40$