Question
यदि $\frac{{dy}}{{dx}} + \frac{1}{{\sqrt {1 - {x^2}} }} = 0$, तो
समाकलन करने पर, $y = {\cos ^{ - 1}}x + c$
==> $y = \frac{\pi }{2} - {\sin ^{ - 1}}x + c$ ==> $y + {\sin ^{ - 1}}x = c$.
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$\Delta=\left|\begin{array}{ccc}2 y+4 & 5 y+7 & 8 y+a \\ 3 y+5 & 6 y+8 & 9 y+b \\ 4 y+6 & 7 y+9 & 10 y+c\end{array}\right|$