6. If f(x, y) and (x,y) are homogeneous functions of x, y of degree 6 and 4, respectively and u(x,y) ди ди ди f(x,y) + Ф
Posted: Mon Jul 11, 2022 12:44 pm
by answerhappygod
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6. If f(x, y) and (x,y) are homogeneous functions of x, y of degree 6 and 4, respectively and u(x,y) ди ди ди f(x,y) + Ф(x,y), then show that f(x,y) = i (x²0 + 2xy+y20) - 1 (х + yo - 12 дх² -