IGCSE ADDMATH 0606/13/M/J/20 Q6

Question

6.(a) Find the unit vector in the direction of (5 -12).
(b) Given that (4 1)+k(-2 3)=r(-10 5), find the value of each of the constants k and r.
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    2021-03-16T00:00:59+08:00

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