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# Please complete number 55 and explain step by step, thankyou. Find the equation of a plane making an angle of pi/2 with the plane 3x+y-4z=2. Let P1 and P2 be planes with normal vectors n1 and n2. Assume that the planes are not parallel and let L be their intersection (a line). Show that n1 times n2 is a direction vector for L. Find a place that is perpendicular to the two planes x+y=3 and x+2y-z=4. Let L be the intersection of the plane x+y+z=1 and x+2y+3z=1. Use Exercise 56 to find a direction vector for L. Then find a point P on L by intersection write down the parametric Show transcribed image text Find the equation of a plane making an angle of pi/2 with the plane 3x+y-4z=2. Let P1 and P2 be planes with normal vectors n1 and n2. Assume that the planes are not parallel and let L be their intersection (a line). Show that n1 times n2 is a direction vector for L. Find a place that is perpendicular to the two planes x+y=3 and x+2y-z=4. Let L be the intersection of the plane x+y+z=1 and x+2y+3z=1. Use Exercise 56 to find a direction vector for L. Then find a point P on L by intersection write down the parametric 