1.

In the following partial differential equation, θ is a function of t and z, and D and K are functions of θ\(D\left( \theta \right)\frac{{{\delta ^2}\theta }}{{\delta {z^2}}} + \frac{{\delta K\left( \theta \right)}}{{\delta z}} - \frac{{\delta \theta }}{{\delta t}} = 0\)The above equation is

A. a second order linear equation
B. a second degree linear equation
C. a second order non-linear equation
D. a second degree non-linear equation
Answer» D. a second degree non-linear equation


Discussion

No Comment Found