Join Sarthaks eConnect Today - Largest Online Education Community!
0 votes
23 views
asked in JEE by (154 points)

is (x-3)2 +(y+2)2 =5r2 to the circle (x-3)2 + (y+2)2 =r2 is 16 unit ,then the area between the two circles in sq. unit is :

  • 32pi
  • 8pi
  • 4pi
  • 256pi
  • 16pi

1 Answer

0 votes
answered by (33.2k points)

Let point P(x1,y1) be any point on the circle, therefore it satisfy the circle  

(x1−3)2+(y1+2)2=5r2 ...(i) 

The length of the tangent drawn from point P(x1,y1) to the circle 

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon
~~~*****~~~

Categories

...