Question 23It is given that the positive real numbers $x_1,\ldots,x_{2026}$ satisfy $\dfrac{x_1^2}{x_1^2+1}+\cdots+\dfrac{x_{2026}^2}{x_{2026}^2+1}=2025$. Find the maximum value of $$\frac{x_1}{x_1^2+1}+\cdots+\frac{x_{2026}}{x_{2026}^2+1}.$$