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

only do 11 and 13 please 11-14 True-False Determine whether the statement

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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