||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{#Example 2, page no 4
var('x')
y = function('y', x)
f(x) = desolve(diff(y, x) + x/y, y)
show(f(x))
var('c')
f(x, y) = x**2 + y**2 - 2*c
implicit_plot(f.subs(c=1), (-pi, pi), (-pi, pi))

}}}

/* code_ends */

 * '''Solution by''': 
   * phanindra, student, nmrec
   * rajeev, student, snist
    *sai kiran,student,snist