Question textConsider two lines \((-1,1,−2)+s(2,1,-2)\) and \((1,2,-1)+t(0,1,-1)\).a) A normal vector to both lines is \((1,\)Answer 1 Question 2[input], Answer 2 Question 2[input]\()\).b) The vector from \((1,2,-1)\) to \((-1,1,−2)\) is \((\) Answer 3 Question 2[input], Answer 4 Question 2[input], Answer 5 Question 2[input] \()\).c) The distance between the two lines is Answer 6 Question 2[input].多项填空题

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