Question: only do 11 and 13 please 11-14 True-False Determine whether the statement is true or false. Explain your answer. In these exercises Lo and Li
only do 11 and 13 please

11-14 True-False Determine whether the statement is true or false. Explain your answer. In these exercises Lo and Li are lines in 3-space whose parametric equations are Lo: x = xo + dot, y = yo + bot, z = zo + cot Li: x= xi + ait, y = yi + bit, z = z1 + cit 11. By definition, if Li and L2 do not intersect, then Li and L2 are parallel. 12. If Li and L2 are parallel, then vo = (do, bo, co) is a scalar multiple of v1 = (a1, bi, ci). 13. If LI and L2 intersect at a point (x, y, z), then there exists a single value of t such that Lo: x = xo + dot, y = yo + bot, z = zo + cot L: x=xtait, y = yi + bit, z = z1 + cit
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