A(2, -1), B(-5, 3) and C(-7, k) are collinear. Find the value of ‘k’=…
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Step-by-step explanation:
x2+x1. -1 + k. -1+ k. = 3×2 =6
------------ = -------- = 3. = k = 6 +1 = 7
2. 2
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