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प्रश्न
Find the value of k: the point P(1, k) lies on the line passing through the points A(2, 2) and B(3, 3).
उत्तर
Given, point P(1, k) lies on the line joining A(2, 2) and B(3, 3).
∴ Slope of AB = Slope of BP
∴ `(3 - 2)/(3 - 2) = (3 - "k")/(3 - 1)`
∴ 1 = `(3 - "k")/2`
∴ 2 = 3 – k
∴ k = 1.
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