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प्रश्न
The slope of the line which is perpendicular to a line joining the points (0, 0) and (− 8, 8) is
विकल्प
− 1
1
`1/3`
− 8
उत्तर
1
Explanation;
Hint:
Slope of a line = `(y_2 - y_1)/(x_2 - x_1)`
= `(8 - 0)/(- 8 - 0)`
= `8/(-8)`
= − 1
Slope of the Perpendicular = 1
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