Civil Engineering > GATE 2026 SET-2 > Partial Differential Equations
A partial differential equation is given below.
2u/∂x2 − ∂2u/∂y2 = 0
Possible solution(s) is/are:
A
(x + y)5
B
(x − 2y)3
C
cos(x + y)
D
sin(x − 2y)

Correct : a,b,c,d

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