Question: 6. (15pts) Consider these two lines: ri(t) = ( 5 + 2t, 1 - t, 8 + 3t ) and r2 (s ) = (

6. (15pts) Consider these two lines: ri(t) = ( 5 + 2t, 1 - t, 8 + 3t ) and r2 (s ) = ( 2 - s, 35, 1 + s) (a) Are they parallel? Why or why not? (b) Are they orthogonal? Why or why not? (c) Do they intersect? If yes, then where

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