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प्रश्न
Find the slope of the following lines which pass through the point: (7, 1), (– 3, 1)
उत्तर
Let, G = (7, 1) = (x1, y1) and H = (– 3, 1) = (x2, y2) say.
Since y1 = y2
∴ The slope of GH = 0. ...[GH || x-axis]
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