6.
Find the value of k for which the points P(k, -1), Q(2, 1) and R(4, 5) are collinear.
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2
Answer:
0
Step-by-step explanation:
According to mid point theorem
k+4/2 , -1+5/2 = 2,1
k+4/2 = 2
k+4 = 2×2
k+4 = 4
Therefore , k = 0
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