Jeremy Sim's answer to Wee Teck's Junior College 2 H2 Maths Singapore question.

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Jeremy Sim
Jeremy Sim's answer
12 answers (Tutor Details)
1st
Understanding the diagram is pretty important to answering this question.

OA falls on L2 and therefore has to satisfy equation of L2.

OC falls on both BC, which is parallel to the normal vector of p2, and p2 itself, so it has to satisfy both equations.
Wee Teck
Wee Teck
4 years ago
Thx!