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# Hard Vector Question

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1. Can anyone help me solve this vector question?
Attachment 530435530437

The question it asks is ' Show that AMD is a straight line'
Attached Images

2. An angle/vertex and two mid points arent a straight line. What does the question actually say

3. this is my working (haven't checked it so there may be mistakes)
If you can't read anything just tell me aha I'm not used to using a laptop to draw

theBranicAc
4. (Original post by SalazarSlytherin)
An angle/vertex and two mid points arent a straight line. What does the question actually say
that is what the question says
5. (Original post by surina16)

this is my working (haven't checked it so there may be mistakes)
If you can't read anything just tell me aha I'm not used to using a laptop to draw

theBranicAc
im sorry but I can't understand it
6. (Original post by theBranicAc)
im sorry but I can't understand it
which parts? all of it?
7. (Original post by surina16)
which parts? all of it?
all of it
8. how did you get AM equals -a
9. (Original post by theBranicAc)
how did you get AM equals -a
AM = AE + EM

AE = -2a - 3b
EM = 1/2 of -EB (negative because you're going in the opposite direction
EM = 1/2 -(-a - 3b) = 1/2(a+3b)

AM = -2a -3b + 1/2a + 3/2b
AM = -1.5a - 1.5b
10. (Original post by theBranicAc)
Can anyone help me solve this vector question?
Attachment 530435530437

The question it asks is ' Show that AMD is a straight line'
Show AMD is a straight line by showing they're multiples of each other

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