Given the points A(-9,4, –1) and B(-39, –2,-31) find a parametric equation of the straight line through A and B in the form x= a+Av where a and v are vectors in R and A is a real parameter. Enter a and v in the boxes below using Maple notation. For example for the vector 2 enter < 1, 2, 3 >. a = V = Does the point C(31,13,42) lie on the straight line through A and B? O Yes, C lies on the straight line through A and B. O No, C does not lie on the straight line through A and B.

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