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# FP3 Vectors questions need help to get started watch

1. Got stuck on these 2 fp3 vectors questions, i really need some help from you guys, if i can do these two, i think i can do the rests

2. i got for Q1.(a) = 1/5 (4i-3k)
(b) k = -5

can someone confirm me that i'm using the right methods and help with q1 (c) and q2 please
3. (Original post by Zookinn)
i got for Q1.(a) = 1/5 (4i-3k)
(b) k = -5

can someone confirm me that i'm using the right methods and help with q1 (c) and q2 please
You have a and b correct.

For c you just need your point -2i-5j-5k 15 x (your unit vector)

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Updated: March 19, 2013
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