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

/* code_begins */

{{{
var('y,z')
var('a')
f=(y**2+z**2-a**2)
g=f.norm()
g
}}}

/* code_ends */

 * '''Solution by''': 
*<N.V.S Saikrishna>, <student>, <Prakasam engineering College>

*<M.Pavan kumar>, <student>, <Prakasam engineering College>

*<T.Raghavendra>, <student>, <Prakasam engineering College>

*<B.Raghavendra>, <student>, <Prakasam engineering College>

*<Y.Siva kumar Reddy>, <student>, <Prakasam engineering College>

*<J.lakshmi narayana>, <student>, <Prakasam engineering College>