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

/* code_begins */

{{{
var('z,x,y,j')
f=function('f',z)
f=z*z+3*z
print f
f(x +y*j)
j=sqrt(-1)
expand(f(x+y*j))
u=x**2-y**2+3*x
v=2*x*y+3*y
print u
print v
f(1+3j)
u(1,3)
v(1,3)

}}}

/* code_ends */

 * '''Solution by''': 
   *<pavan kumar.M> <student>,<prakasam engg college>
*<sai krishna><student>,<prakasam engg college>
*<raghavendra><student>,<prakasam engg college>
*<lakshmi narayana><student>,<prakasam engg college>
*<raghavendra><student>,<prakasam engg college>
*<siva kumar reddy><student>,<prakasam engg college>