3.121   ODE No. 121

$$\boxed{{\displaystyle x\frac{\mathrm{d}}{\mathrm{d}x}y\left(x\right)-\sin (x-y\left(x\right))=0}}$$

1. Problem in Latex
2. Mathematica input
3. Maple input

Mathematica: cpu = 3.054888 (sec), leaf count = 22 $$\text{DSolve}[x{y}^{\prime }(x)-\sin (x-y(x))=0,y(x),x]$$

Maple: cpu = 0.982 (sec), leaf count = 0 $$\text{could not solve}$$