||'''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