PDE, Probability and Statistics

Determine order and degree

• 3, 2
• 3, 5
• 5, 3
• 5, 2

What is the order of the D.E. (d²y/dx²)²+ y = 0

• 1

• 2

• 3

• 0

The partial differential equation

is classified as

• elliptic

• parabolic

• hyperbolic

• none of the above

• none of the above

The subsidiary equation for Lagrange's linear equation

• z = yf(x)+g(x)

• z = yf(y)+g(x)

• z = xf(x)+g(x)

• z = xf(y)+g(x)