engineering recuitment GATE ECE 2023-24 Test Series Engineering Mathematics Differential Equations Exact Differential Equations
Find the general solution of \(\frac{{dy}}{{dx}} = {\left[ {\frac{{\left( {{e^x} - 1} \right){{\sec }^2}y}}{{{e^x}\tan y}}} \right]^{ - 1}}\)
1
ex = c tan y + 1
2
sin y = c (1 - ex)
3
ex cos y = 1
4
cot y = 1 + ex