Practia go4 (a) Determine the vector and parametric equations of the line (L1) passing through points A = (-3, 2, 8) and B = (4, 3, 9). (b) Determine if the lines L1 (from part (a)) and L2: [x, y, 2] = [1,0, – 1]+s[14,2, 2] intersect. Why or why not? (c) Is the point (4, 3, 3) on the line L1? Why or why not?

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A: Hi there, At a time we can answer only one question. So, I have answered first one (#6).

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Linear Algebra

In mathematics, problems can be solved by the arithmetic operators like addition, subtraction, multiplication, and division. In algebra, we represent the numbers by any letter called a variable. If these variables are of degree 1, then it is studied under linear algebra. The first-degree equations involving algebraic expressions are called linear equations. That is, if you represent it by drawing a graph you will get a straight line.