the circle whose eq. are x2 +y2 +c2=2ax and x2 +y2 +c2-2by=0 will touch another externally if


a. 1/b2 +1/c2 =1/a2


b. 1/b2 =1/c2 +1/a2


c. 1/a2 +1/b2 =1/c2

2 years ago

Share

Answers : (3)

                                        

Answer is c)

2 years ago
                                        

HOW?

2 years ago
                                        

is it right or not?

2 years ago

Post Your Answer

More Questions On Analytical Geometry

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
SAURABH SIR HERE ALL THE DOUBTS :- ​Q. THE CHORD OF THE PARABOLA- y = – a 2 x 2 + 5ax – 4 TOUCHES THE CURVE y = 1/ 1-x AT THE POINT x=2 AND IS BISECTED BY THAT POINT . FIND “a”. Q . FOR THE...
 
 
Hii For Q1)Q. THE CHORD OF THE PARABOLA- y = – a2x2+ 5ax – 4 TOUCHES THE CURVE y = 1/ 1-x AT THE POINT x=2 AND IS BISECTED BY THAT POINT . FIND “a”. Hint You can use...
  img
Sourabh Singh 16 days ago
 
SIR I HAVE DONE 3RD...BUT NOT ABLE TO DO 1ST AND 2ND. IN 1ST PLEASE TELL HOW TO FIND CHORD’S EQUATION AND IN 2ND WHAT POINT MUST WE TAKE ON THE CURVE .
 
bharat makkar 15 days ago
if 1/1^4+1/2^4+1/3^4......=pie^4/90 then find answer for 1/1^4+1/3^4+1/5^4 .....
 
 
Hello student, Please find the answer to your question below [1/1^4+1/2^4+1/3^4 +1/4^4+1/5^4+1/6^4......=pi ^4/90] [(1/1^4+1/3^4+1/5^4 + .....)+(1/2^4+1/4^4+1/6^4+......)=pi ^4/90]...
  img
SHAIK AASIF AHAMED one month ago
IN CUBES & CUBE ROOTS [IN SQUARES & SQUARE ROOTS LESSON] HOW WE SHOULD DO 3 11 +5 11
 
 
Dear Student, This problem requires the knowledge of bionomial expansion,so it is out of your bound right now. You will read it later....
  img
Shobhit Varshney one month ago
View all Questions »