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Question: Question:How do i obtain lie symmetries for this type of partial differential equation

Question:Question:How do i obtain lie symmetries for this type of partial differential equation

AJEY 10 Maple
pde differential-equations pdetools
June 21 2024
2

I have a PDE of the form

u_{tt}+2*a(t)*u_x^2+2*b(t)*u(t,x,y)*u_{xx}+u_{yy}=0

How can I find Lie symmetries of this equation using PDEtools?

Please help me out.
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