ecuaciones diferenciales método de exactas.pdf
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Ecuaciones Diferenciales Método de Exactas
(a) solve(ode(4*D(y)(x)*y(x) + 3*x, y(x)), Type=ExactFirstOrder,
IgnoreAnalyticConstraints)
(b) solve(ode(D(y)(x) - (x - y(x))/(x + y(x)), y(x)),
Type=ExactFirstOrder, IgnoreAnalyticConstraints)
(c)
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solve(ode(2*D(y)(x)*y(x)*x + y(x)^2 - x^2, y(x)),
Type=ExactFirstOrder, IgnoreAnalyticConstraints)
(d) solve(ode(D(y)(x) - x/(x + y(x)), y(x)),Type=ExactFirstOrder,
IgnoreAnalyticConstraints) Warning: Cannot detect the exact first-order ODE.
[ode::exact_first_order]
solve(ode(D(y)(x) - x/(x + y(x)), y(x)),
IgnoreAnalyticConstraints)
(e) solve(ode(D(y)(x) - (x - cos(x)*y(x))/(sin(x) + y(x)), y(x)),
Type=ExactFirstOrder, IgnoreAnalyticConstraints)
(f) solve(ode(D(r)(`θ`) -
(r(`θ`)^2*sin(`θ`))/(2*cos(`θ`)*r(`θ`) -
1), r(`θ`)),Type=ExactFirstOrder, IgnoreAnalyticConstraints)
(g) solve(ode(exp(-x)*y(x) - D(y)(x)*(exp(-x) + 2*y(x)) - sin(x),
y(x)), Type=ExactFirstOrder, IgnoreAnalyticConstraints)
(h) solve(ode(y(x)/x + D(y)(x)*(ln(x) + 2*y(x)) + x^2, y(x)),
Type=ExactFirstOrder, IgnoreAnalyticConstraints)
(i) solve(ode(D(y)(x) + (y(x)*(exp(x) - y(x)))/(exp(x) - 2*x*y(x)),
y(x)), Type=ExactFirstOrder, IgnoreAnalyticConstraints)