Mathematics

Problem

A function is represented parametrically by the

\text{equations } x = \frac{1+t}{t^3}; y = \frac{3}{2t^2} + \frac{2}{t}, \text{ then } \frac{dy}{dx} - x \cdot \left( \frac{dy}{dx} \right)^3

\text{has the absolute value equal to ..... .}