Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

Prove that part of the tangent at any point of the hyperbola  x^2 /a^2 - y^2/ b^2=1 intercepted between the point of contact and the transverse axis is a harmonic mean between the  lengths of the perpendiculars  drawn from the foci on the normal at the same point.
Asked by sudhanshubhushanroy | 31 Mar, 2018, 02:41: AM
answered-by-expert Expert Answer
begin mathsize 18px style p a r a m e t r i c space f o r m space a t space P fraction numerator x space s e c space theta over denominator a end fraction minus fraction numerator y space tan theta space over denominator b end fraction equals 1... tan g e n t fraction numerator a x over denominator space s e c space theta end fraction plus fraction numerator b y over denominator space tan space theta end fraction equals a squared e squared.... n o r m a l y o u space h a v e space t o space p r o v e fraction numerator 2 over denominator P Q end fraction equals fraction numerator 1 over denominator N F end fraction plus fraction numerator 1 over denominator T F end fraction u s e space s i m i l a r i t y space i n space increment G F N space comma increment G Q P comma increment G F T space a n d space d i s tan c e space f o r m u l a end style
Answered by Arun | 02 Apr, 2018, 11:01: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Maths
program to find the minimum element from a list of element along with its index in the list
question image
Asked by sampabarman328 | 18 Apr, 2024, 01:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
find square root of 7+24i
Asked by tahikpreet0001 | 17 Apr, 2024, 06:41: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
if α, ß, Γ be the roots of the equation x^3+px^2+qx+r=0 then find the value of (α+ß-3Γ)(ß+Γ-3α)(α+Γ-3ß)
Asked by nitinkrjsr07082008 | 15 Apr, 2024, 11:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
ug
question image
Asked by nityaboragam | 11 Apr, 2024, 12:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
total number of three letter words formed using all the letters of the word "SHINE" is
Asked by kanhaparashar17 | 04 Apr, 2024, 12:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
find 6th term from and of the (x-1/x)⁹
Asked by dseno1741 | 29 Mar, 2024, 08:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
in exercise 1.3 1st q ii part abc is not subset of bcd but two elements are common i.e bc but in 2 question same exercise i part ab is subset of  bca how ??  
Asked by parvanipatil09 | 29 Mar, 2024, 10:12: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
find the value of x so that the vectors are (2,7,5) ,(3,-3,6) ,(x,2,-5) may be coplanar
Asked by rishithatelaprolu84 | 29 Mar, 2024, 08:32: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
binomial doubt
question image
Asked by Manjeet | 23 Mar, 2024, 09:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
pair
question image
Asked by rambabum3372 | 21 Mar, 2024, 04:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×