Let V be the vector field and let 2 be the octant x>0, y>0,z>0. Let the by functions , (x, y, z)= and u₂(x, y, z)= be first integrals of equation x then find a+b ? a) 1 b) 2 c)-1 d) 0 e) 3 X Xu,+yu,+zu, = 0,

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