Mathematics

Mathematics

Problem

Let y=y(x)y=y(x) satisfies the equation dydx−∣A∣=0, for all x>0, where A=\frac{dy}{dx} - |A| = 0, \text{ for all } x > 0, \text{ where } A = [ysin⁡x10−11201x]\begin{bmatrix} y & \sin x & 1 \\ 0 & -1 & 1 \\ 2 & 0 & \frac{1}{x} \end{bmatrix} If y(π)=π+2y(\pi) = \pi + 2, the value of y(π2)y\left(\frac{\pi}{2}\right) is : (1) π2+4π\frac{\pi}{2} + \frac{4}{\pi} (2) π2−1π\frac{\pi}{2} - \frac{1}{\pi} (3) 3π2−1π\frac{3\pi}{2} - \frac{1}{\pi} (4) π2−4π\frac{\pi}{2} - \frac{4}{\pi}

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