four different point on circle whose coordinate is (mi,1/mi) then which one is ture


a. m1*m2*m3*m4=1                b.1/m1*1/m2*1/m3*1/m4 =4

4 years ago

Share

Answers : (2)

                                        

Dear nishant


for simplicity let equation of circle is x2 +y2 =r2


put (m,1/m) point


so  (m)2 +(1/m)2 =r2


simplify it


  m4 -r2m2 +1=0


this equation has 4 roots m1,m2,m3,m4


product of all roots


 m1*m2*m3*m4=1





Please feel free to post as many doubts on our discussion forum as you can.
 If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly.
 We are all IITians and here to help you in your IIT JEE  & AIEEE preparation.

 All the best.
 
Regards,
Askiitians Experts
Badiuddin

4 years ago
                                        Dear student Mr. Nishant


for simplicity let equation of circle is x2 +y2 =r2

put (m,1/m) point

so (m)2 +(1/m)2 =r2

simplify it

m4 -r2m2 +1=0

this equation has 4 roots m1,m2,m3,m4

product of all roots

m1*m2*m3*m4=1

Please feel free to post as many doubts on our discussion forum as you can.
If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly.
We are all IITians and here to help you in your IIT JEE & AIEEE preparation.

All the best.

Regards,
Askiitians Experts
Pramod Kumar, IITR Alumni
4 years ago

Post Your Answer

More Questions On IIT JEE Entrance Exam

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
Hi I’m from bangalore. I had missed IIT with a really small margin. Now I’m in Engineering 1 st semister. I have 8 months left. How shall I plan to study? P.S: It takes a litle time to...
 
 
Coaching is a super structure providing –planned regime and expert guidance but ultimately it’s the students who have to work hard to crack the exams. 1. The students must remain...
  img
Harishwar 24 days ago
 
You will face a lot problems in juggling with JEE preparation and dealing with the academic committments of your college. You need to make a trade off between the two, i.e., given somebody a...
  img
Aziz Alam 24 days ago
0my age is 19 and i m giving 12 th in state board exam next year....am i elligible for jee advance 2015
 
 
EE Main 2014 Eligibility Criteria 1. Pass Percentage in Qualifying Examination: Candidates must have studied Physics,Mathematics as compulsory subjects They must have studied any one of the...
  img
Sher Mohammad 3 months ago
 
For JEE 2014 the eligibility criteria for admission, in context of age was: Born on or after 1stOctober 1989. So for JEE 2015 you can have the idea about the exact date, i.e.,Born on or...
  img
Aziz Alam 3 months ago
sir, i got ee in iit patna.. and unluckily expecting a rank of around 30000 in mains. and therefore will get nit durgapur it. what should be my choice??? btw i am also getting ee in jadavpur...
 
 
If you have EE in IIT Patna and your possible options include NIT Durgapur and EE in Jadavpur University, it’s better that you stick with EE in IIT Patna. And if you are thinking about...
  img
Aziz Alam 3 months ago
SIR WHEN aiims papers donot come out , how to believe the authenticity of these papers wether original or fake.Students also donot remember so many questions.
 
 
Hi It is difficult to comment on this issue. However, my best guess is these questions might be prepared by asking lots of students or may be some AIIMS staff. It is difficult to ascertain...
  img
Sumreet Johar 2 months ago
respeected sir, i wanted to know my opprtunities for admission.i have got 303 in BITSAT-2014 and in the first iteration i am placed in the waiting list.sir i have even applied for chemical...
 
 
I think with 303 u can get a better branch than chemical at BITS go for cse or e&tc at goa or pilani hyderabad shud be ur last preference
 
needhelp 4 months ago
 
Dont just wait for BITS result....fill other forms as well
 
needhelp 4 months ago
Sir,Please help I want to know if government colleges of CSAB counselling consider my general category AIR of 224000 or will they consider AIR Overall of 374000???/
 
 
considering that if you belong to general category, here it goes - they consider your general category rank for admissions into outside state colleges.. For home state colleges they consider...
 
Abhi99 3 months ago
View all Questions »