Question
Solve the differential equation $\left[\left(\frac{e^{-2 \sqrt{x}}}{\sqrt{x}}\right)-\frac{y}{\sqrt{x}}\right] \frac{d x}{d y}=1, x \neq 0$
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$\text{x}\sqrt{1-\text{y}^2}\text{dx}+\text{y}\sqrt{1-\text{x}^2}\text{dy}=0$
$\frac{1}{\big(\text{x}^{2}+1\big)\big(\text{x}^{2}+4\big)}$
$\begin{bmatrix}2 & -1 & 3 \\4 & 2 & 5 \\ 0 & 4 & -1 \end{bmatrix}$
Verify that (adj A)A = |A|I = A (adj A) for the above matrices.$\int\frac{\text{x}^3}{\text{x}^4+\text{x}^2+1}\text{ dx}$