Question

19. If a and b are two non-collinear vectors,
then the points la + mb, 1ā + m, and
1ā + m,are collinear if
1) El,[m, -m.)=0 2) E7(m, -m,)=0
3) $1,(m + m)=0 4) Elm, +m,)=0​

Answer 1

Answer:

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Step-by-step explanation:

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