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

/* code_begins */

{{{
#Example 4, page no 6
var('t')
#k is a definite physical constant. Can be anything.
k = 1
y = function('y', t)
f(t) = desolve(diff(y, t) - k*y, y)
show(f(t).subs(c=2))

plot(f(t).subs(c=2), (t, 0, 10))
}}}

/* code_ends */

 * '''Solution by''': 
   * phanindra, student, nmrec
   * rajiv, student, snist