var('x,y,z')
f=(4*x-4*y+7*z-3)
g=f.norm()
g

*<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>