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Question
Find slope of a line passing through the points A(3, 1) and B(5, 3).
Solution
A ≡ (3, 1) ≡ (x1 , y1) and B ≡ (5, 3) ≡ (x2 , y2)
Slope of a line AB = `(y_2 - y_1)/(x_2 - x_1)`
`= (3-1)/(5-3)`
= `2/2`
= 1
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