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junior college 1 | H2 Maths
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Candice lim
Candice Lim

junior college 1 chevron_right H2 Maths chevron_right Singapore

Hi, this vector question is challenging, I can't solve it. Really need help. Thank you so much :)

Date Posted: 2 years ago
Views: 540

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Boy Mow Chau
Boy Mow Chau's answer
317 answers (Tutor Details)
1st
dot product of direction vectors = 0.
<=> lines are perpendicular.

no unique solution for lambda & mu
<=> no intersection point

no intersection point & lines not parallel
<=> skew lines.
Boy Mow Chau
Boy Mow Chau
2 years ago
should rephrase 2nd point above, as ...

no solution for lambda & mu
<=> no intersection point

1 unique solution for lambda & mu
<=> 1 intersection point

infinite solution for lambda & mu
<=> the 2 lines coincide !!
Candice lim
Candice Lim
2 years ago
Thank you so much Mr Chau. Your explanation is very clear and I can understand it well.