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प्रश्न
What can be said regarding a line if its slope is negative?
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उत्तर
We know that the value of \[\tan\theta\] is negative for the value of \[\theta\] in the second quadrant. Therefore, the line makes an obtuse angle with the positive direction of the x-axis.
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| Column C1 | Column C2 |
| (a) The coordinates of the points P and Q on the line x + 5y = 13 which are at a distance of 2 units from the line 12x – 5y + 26 = 0 are |
(i) (3, 1), (–7, 11) |
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(ii) `(- 1/3, 11/3), (4/3, 7/3)` |
| (c) The coordinates of the point on the line joining A (–2, 5) and B (3, 1) such that AP = PQ = QB are |
(iii) `(1, 12/5), (-3, 16/5)` |
