||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ a,E0,R,c,t = var('a,E0,R,c,t') #Declaring all as a variable assume(a>0) #We need to specify that a is non-negative I_t = E0/R + c*exp(-a*t) #Equation for I_t limit(I_t,t=Infinity) }}} /* code_ends */ * '''Solution by''': * , , * , ,