Let = arctan(x) - arctan(z) and = . Find a simplified expression for $\textbf{ grad}$( ) × $\textbf{ grad}$( ) .
A) j
B) 0 (zero vector field)
C) j
D) 0 (zero scalar field)
E) - j

Question

Let = arctan(x) - arctan(z) and  =  . Find a simplified expression for $\textbf{         grad}$( ) × $\textbf{         grad}$( ) .
A) j 
B) 0 (zero vector field) 
C) j 
D) 0 (zero scalar field) 
E) - j

Quizplus · Accepted Answer

The Answer of Let = arctan(x) - arctan(z) and  =  . Find a simplified expression for $\textbf{         grad}$( ) × $\textbf{         grad}$( ) .
A) j 
B) 0 (zero vector field) 
C) j 
D) 0 (zero scalar field) 
E) - j

Let = Arctan(x) - Arctan(z) and = grad\textbf{ grad} grad

Let = Arctan(x) - Arctan(z) and = $\textbf{ grad}$