Find the second directional derivative of $f ( x , y ) = x ^ { 2 } y$ at the point $( - 1,1 )$ in the direction $( 3,4 )$ .
A) $\frac { 2 } { 5 }$

B) $\frac { 6 } { 5 }$
C)2
D)6
E) $- \frac { 2 } { 5 }$
F) $- \frac { 6 } { 5 }$
G) $- 2$
H) $- 6$

Question

Find the second directional derivative of $f ( x , y ) = x ^ { 2 } y$ at the point $( - 1,1 )$ in the direction $( 3,4 )$ .
A) $\frac { 2 } { 5 }$

B) $\frac { 6 } { 5 }$
C)2
D)6
E) $- \frac { 2 } { 5 }$ 
F) $- \frac { 6 } { 5 }$ 
G) $- 2$ 
H) $- 6$

Quizplus · Accepted Answer

The Answer of Find the second directional derivative of $f ( x , y ) = x ^ { 2 } y$ at the point $( - 1,1 )$ in the direction $( 3,4 )$ .
A) $\frac { 2 } { 5 }$

B) $\frac { 6 } { 5 }$
C)2
D)6
E) $- \frac { 2 } { 5 }$ 
F) $- \frac { 6 } { 5 }$ 
G) $- 2$ 
H) $- 6$

Find the Second Directional Derivative Of f(x,y)=x2yf ( x , y ) = x ^ { 2 } yf(x,y)=x2y

Find the Second Directional Derivative Of $f ( x , y ) = x ^ { 2 } y$