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

/* code_begins */

{{{
var('x,y,z')
f=(x**2-y**2+z**2-1)
g=f.norm()
g
}}}

/* code_ends */

 * '''Solution ''' *
   *<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>