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junior college 2 | H1 Maths
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Ainsley
Ainsley

junior college 2 chevron_right H1 Maths

I don't how to get C and D.
Please help.Thank you.

Date Posted: 5 years ago
Views: 354
Dominic Chandar
Dominic Chandar
5 years ago
A is (2,3)
B is (6,1)

Lets take the vector approach. Now

vector AB = B-A = (4,-2)

Perpendicular vector with same length as AB passing through C is given by BC

where BC = ( 2,-4)

Thus Vector C = B + BC = (8,-3) or 8-3i

use the same approach to get D. Message me if you need more clarifications. would be glad to help.

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Ainsley
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16 answers (A Helpful Person)
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no 7 is the answer