Question: Vectors questions please help ASAP If ABC is a triangle with vertices A(1, 1, -1), B(1, 0, 1), and C(1 + a, 0, 2) and

Vectors questions please help ASAP

If ABC is a triangle with vertices A(1, 1, -1), B(1, 0, 1), and C(1 + a, 0, 2) and AB X AC = (-1, 2, 1 a) find the value of a. ( 3marks) b) find the area of the triangle. (2 marks)The prism is bisected by the xy-plane. The point P = (3, 7, 3). P Y C G a) Find the coordinates of the following points: (4 marks) B, D, E, G b) Find the equation of the plane containing ABPE. (1 mark) c) Find AC

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