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junior college 1 | H2 Maths
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junior college 1 chevron_right H2 Maths chevron_right Singapore

I need help

Date Posted: 7 months ago
Views: 45

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Tan Y J
Tan Y J's answer
16 answers (A Helpful Person)
I don't know first part. I am very sorry. I tend to be careless too.
Tan Y J
Tan Y J
7 months ago
Poster here

I made 2 mistakes.
Constant shouldn't have the mod sign. (misconception)


When a x b = 0, it means either or both vectors are zero vectors or they are parallel. Use that to show qns 1.