Производная функции, заданной неявно. Считаем y = f(x):
2sin (x – y)·cos (x – y)·(1 – y') + ex + y·(1 + y') = 0
sin (2x – 2y) – sin (2x – 2y)·y' + ex + y + ex + y·y' = 0
y'(ex + y – sin (2x – 2y)) + ex + y + sin (2x – 2y) = 0
[m]y' = -\frac{e^{x + y} + \sin (2x - 2y)}{e^{x + y} - \sin (2x - 2y)}[/m]