Question
अवकल समीकरण $x\sec y\frac{{dy}}{{dx}} = 1$ का हल है
दोनों तरफ समाकलन करने पर,
$\log (\sec y + \tan y) = \log x + \log c$ ==> $\sec y + \tan y = cx$.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.