4.6.45 \(\left (x^2+1\right ) y'(x)=\tan (x)-2 x y(x)\)

ODE
\[ \left (x^2+1\right ) y'(x)=\tan (x)-2 x y(x) \] ODE Classification

[_linear]

Book solution method
Linear ODE

Mathematica
cpu = 0.191007 (sec), leaf count = 21

\[\left \{\left \{y(x)\to \frac {-\log (\cos (x))+c_1}{x^2+1}\right \}\right \}\]

Maple
cpu = 0.008 (sec), leaf count = 19

\[\left [y \left (x \right ) = \frac {-\ln \left (\cos \left (x \right )\right )+\textit {\_C1}}{x^{2}+1}\right ]\] Mathematica raw input

DSolve[(1 + x^2)*y'[x] == Tan[x] - 2*x*y[x],y[x],x]

Mathematica raw output

{{y[x] -> (C[1] - Log[Cos[x]])/(1 + x^2)}}

Maple raw input

dsolve((x^2+1)*diff(y(x),x) = tan(x)-2*x*y(x), y(x))

Maple raw output

[y(x) = (-ln(cos(x))+_C1)/(x^2+1)]