MCQ
$y^2-2 x y+b^2=0$ તો $\frac{d y}{d x}=\ldots \ldots . . .(x \neq y)$
- A$\frac{y}{x-y}$
- ✓$\frac{y}{y-x}$
- C$\frac{x}{x-y}$
- D$\frac{x}{y-x}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.