Eric Nicholas K's answer to Candice's Secondary 4 A Maths Singapore question.
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Hi Candice! Here are my workings for this question.
For part iii, the vectors method which I have used is not exactly covered in your syllabus, but it has very close relations with the "product of gradients of two perpendicular lines is -1" property of coordinate geometry.
For part iii, the vectors method which I have used is not exactly covered in your syllabus, but it has very close relations with the "product of gradients of two perpendicular lines is -1" property of coordinate geometry.
Date Posted:
4 years ago
Thank u so much again
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