Find a Normal Vector to the Surface $x ^ { 2 } + z ^ { 2 } = 5$

Multiple Choice

Find a normal vector to the surface $x ^ { 2 } + z ^ { 2 } = 5$ at the point $( 1,3 , - 2 )$ .

A) $\{ - 1,0,2 \}$

B) $\{ 1,3 , - 2 \}$
C) $\{ 1 , - 2,0 \}$
D) $\{ - 1,0 , - 3 \}$
E) $\{ 1,0 , - 2 \}$
F) $\{ 0,1 , - 2 \}$

G) $\{ 1,2,0 \}$

H) None of these