Use the method discussed in the book to parametrize the portion of the plane

x $+7$y $+2$z $=14$

that lies in the first octant. $($Your instructors prefer angle bracket notation $<>$ for vectors.$)$

r$($u$,$ v$)=$

with

$0<$ u $<14$

and

$<$ v $<2$

u$7$