9. The points P, Q and R are collinear. It is given that PQ = 4a - 2b and QR = 3a +(1+k)b,
wher...
Mathematics, 31.05.2020 17:58 kaiya789
9. The points P, Q and R are collinear. It is given that PQ = 4a - 2b and QR = 3a +(1+k)b,
where k is a constant.
Find
(a) the value of k.
(b) the ratio of PQ: OR.
Answers: 1
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