Question 20 Determine the vertex V, focus F, and the equation of the directrix of the parabola (y- 4)² = 12(x – 1), A V1,4), F(4,4); x = - 2 V1,4), F(-2,4); x = 4 V-1,– 4), F(2, – 4); x = – 4 V4,1), F(7,1); x =1

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Q: Q2: z = cos3xsin4y+2x²y az az azz a²z a2z Find : дх' ду' дх ду 'дхду

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