If the line 3x-4y=λ touches the circle x^{2}+y^{2}-4x-8y-5=0, λ can have the values

- a)-35,15
- b)-35,-15
- c)35,-15
- d)35,15

Correct answer is option 'A'. Can you explain this answer?

Related Test: JEE(MAIN) Mathematics Mock Test - 1

2 Answers

Busireddy Prathyusha
answered
Jun 02, 2020

Make sure that the radius of the circle is equal to the perpendicular distance from the radius to the given line.

Thus you get the values of given variable.

Thus you get the values of given variable.

This discussion on If the line 3x-4y=λ touches the circle x2+y2-4x-8y-5=0, λ can have the valuesa)-35,15b)-35,-15c)35,-15d)35,15Correct answer is option 'A'. Can you explain this answer? is done on EduRev Study Group by JEE Students. The Questions and
Answers of If the line 3x-4y=λ touches the circle x2+y2-4x-8y-5=0, λ can have the valuesa)-35,15b)-35,-15c)35,-15d)35,15Correct answer is option 'A'. Can you explain this answer? are solved by group of students and teacher of JEE, which is also the largest student
community of JEE. If the answer is not available please wait for a while and a community member will probably answer this
soon. You can study other questions, MCQs, videos and tests for JEE on EduRev and even discuss your questions like
If the line 3x-4y=λ touches the circle x2+y2-4x-8y-5=0, λ can have the valuesa)-35,15b)-35,-15c)35,-15d)35,15Correct answer is option 'A'. Can you explain this answer? over here on EduRev! Apart from being the largest JEE community, EduRev has the largest solved
Question bank for JEE.

Ask a question

- Plz explain
Doc | 1 Page

- Can u plz explain
Doc | 1 Page

- Please explain it guys. .....
Doc | 1 Page

- Circle
Video | 09:43 min

- Circle
Video | 10:49 min

Upgrade to Infinity