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Question
The slope of a line is 5, the slope of its perpendicular is ______.
Options
5
−5
`1/5`
`-1/5`
MCQ
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Solution
The slope of a line is 5, the slope of its perpendicular is `bbunderline(-1/5)`.
Explanation:
We know that,
Product of slope of two perpendicular lines = −1.
Let slope of perpendicular line be m.
∴ 5 × m = −1
⇒ m = `-1/5`
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