Question: Show your work, 4 and 5 please. 4. (3 marks) Calculate the distance from the point ( - 1,2) to the line - 3x +

Show your work, 4 and 5 please.

4. (3 marks) Calculate the distance from the point ( - 1,2) to the line - 3x + 4y = - 2. 5. Exactly two of the following points lie on the planes at y + z = 4 and x- 3y + z=0: P = (1, 1, 2), Q = ( 1 , 2, 1) , R = ( 2 , 1 , 1 ) . (a) (3 marks) What are the two points? Explain. (b) (1 mark) What is the distance between them

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