Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The foot of the perpendicular on the line drawn from the origi

The foot of the perpendicular on the line \mathrm{3 x+y=\lambda} drawn from the origin is C if the line cuts the x–axis and y–axis at A and B respectively then BC : CA is 

 

Option: 1

1: 3


Option: 2

3: 1


Option: 3

1: 9


Option: 4

9: 1


Answers (1)

best_answer

Clearly \mathrm{\tan \theta=\frac{1}{3}}

from \mathrm{\triangle OCA \tan \theta=\frac{A C}{O C}}
\mathrm{\triangle\, OCB \tan \theta=\frac{O C}{B C}}

\mathrm{\Rightarrow \quad \frac{B C}{A C}=\frac{1}{\tan ^{2} \theta}=\frac{9}{1}}


Hence (D) is the correct answer.

Posted by

mansi

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

How to crack JEE Mains 2025 in 1 month? Follow study plan, revise high-score topics, experts advice
anam-khan

IIT JEE aspirant from Bihar found hanging in Kota hostel; 17th suicide this year
anam-khan

JEE Main 2025 just a month away; section-wise preparation tips, important topics, strategies

Latest Question