Teaching DSSSB TGT Mock Test 2025 Mathematical Science Partial Differential Equations General Solution of Higher Order PDE
The equation x2(y - 1) uxx - x(y2 - 1) uxy + y(y - 1) uyy + 4x = 0 is hyperbolic in the entire x - y plane except ______
1
to the x-axis
2
to the y-axis
3
line parallel to y-axis
4
none of these