Consider the following stencil. Get the discretized form of \((\frac{d\phi}{dx})_w\) using the central differencing scheme.

\(\frac{\phi_P+\phi_W}{\delta x_{WP}}\)

\(\frac{\phi_P-\phi_W}{\delta x_WP}\)

Consider the following stencil. Get the discretized form of \((\frac{

1.	Consider the following stencil. Get the discretized form of \((\frac{d\phi}{dx})_w\) using the central differencing scheme.
A.	\(\frac{\phi_P+\phi_W}{\delta x_{WP}}\)
B.	\(\frac{\phi_P-\phi_W}{2}\)
C.	\(\frac{\phi_P-\phi_W}{\delta x_WP}\)
D.	\(\frac{\phi_P+\phi_W}{2}\)
Answer» D. \(\frac{\phi_P+\phi_W}{2}\)