MCQ
If matrix $A=\left[a_{i j}\right]_{m \times n}$ is a square matrix, then
- A$m > n$
- B$n > m$
- C$m = n$
- Dnone of these
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$\left[\frac{x}{\sqrt{x^{2}-y^{2}}}+e^{\frac{y}{x}}\right] x \frac{d y}{d x}=x+\left[\frac{x}{\sqrt{x^{2}-y^{2}}}+e^{\frac{y}{x}}\right] y$
pass through the points $(1,0)$ and $(2 \alpha, \alpha), \alpha>0$.
Then $\alpha$ is equal to