Tan Y J's answer to angelina's Junior College 1 H2 Maths Singapore question.
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I don't know first part. I am very sorry. I tend to be careless too.
Date Posted:
5 years ago
Poster here
I made 2 mistakes.
Constant shouldn't have the mod sign. (misconception)
And
When a x b = 0, it means either or both vectors are zero vectors or they are parallel. Use that to show qns 1.
I made 2 mistakes.
Constant shouldn't have the mod sign. (misconception)
And
When a x b = 0, it means either or both vectors are zero vectors or they are parallel. Use that to show qns 1.
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