Question: Consider the element f(x, y) = (3x 3 + 2x)y 3 + (x 2 - 6x + 1)y 2 + (x 4 - 2x)y +

Consider the element 

f(x, y) = (3x3 + 2x)y3 + (x2 - 6x + 1)y2 + (x4 - 2x)y + (x4 - 3x2 + 2) 

of (Q[x])[y]. Write f (x, y) as it would appear if viewed as an element of (Q[y])[x ].

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