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The sum of the slope of the lines given by x²-2cx-7y²=0 is four times their product c has the value

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3 years ago

Arun
25768 Points
```							 Let the lines areL1:y = m1xAnd L2:y = m2xThen m1 + m2 = -2c/7m1* m2= -1/7Givenm1 +m2 = 4 m1*m2Put the values and you will get answeras c = 2
```
3 years ago
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• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions