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Lesson Posted on 18/08/2018 Learn Hyperbola

Hyperbola Basic

Raj Kumar

I am Six Sigma Black belt trained from American Society of Quality I am 2011 pass out in B.tech from...

The standard equation of hyperbola with reference to its principal axis along the coordinate axis is given by x2/a2 - y2/b2 = 1, where b2 = a2 (e2 -1) The foci of the hyperbola are S(ae, 0) and S’ = (-ae, 0) Equations of the directrices are given by x = a/e and x = -a/e The coordinates... read more

 The standard equation of hyperbola  with reference to its principal axis along the coordinate axis is given by x2/a2 - y2/b2 = 1, where b2 = a2 (e2 -1)   

The foci of the hyperbola are S(ae, 0) and S’ = (-ae, 0)

Equations of the directrices are given by x = a/e and x = -a/e         

The coordinates of vertices are A’ = (-a, 0) and A = (a,0)

The length of latus rectum is 2b2/a = 2a(e2 - 1) 

The length of the transverse axis of the hyperbola is 2a.  

The difference of the focal distances of any point on the hyperbola is constant and is equal to transverse axis.              

x2/a2 - y2/b2 = 1 and -x2/a2 + y2/b2 = 1 are conjugate hyperbola of each other.

Hyperbola

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Answered on 07/02/2018 Learn Hyperbola +2 Class XI-XII Tuition (PUC) Mathematics

Sujoy D.

Tutor

x2 - y2 = a2 equation of rectangular hyperbola.
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Answered on 07/12/2016 Learn Hyperbola +2 Class XI-XII Tuition (PUC) Mathematics

Srinu M

Tutor.

y-k =+/- b/a( x-h).
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Answered on 07/02/2018 Learn Hyperbola +2 Class XI-XII Tuition (PUC) Mathematics

Sujoy D.

Tutor

It is a line such that the distance between the curve and the line approaches zero as they tend to infinity.an asymptote of a curve is a line such that the distance between the curve and the line approaches zero as they tend to infinity.
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Answered on 07/02/2018 Learn Hyperbola +2 Class XI-XII Tuition (PUC) Mathematics

Sujoy D.

Tutor

y= mx + sqrt(a*a*m*m - b*b)
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Answered on 04/12/2016 Learn Hyperbola +2 Class XI-XII Tuition (PUC) Mathematics

Vikas K.

Physics and Mathematics Teacher

X^2/a^2 - Y^2/b^2 = 1, Where a and b are constants. Let me know if your question was for the equation of Normal to the parabola rather.
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Answered on 09/12/2016 Learn Hyperbola +2 Class XI-XII Tuition (PUC) Mathematics

Ankit

JEE/Board Maths Tutor

In geometry, two diameters of a conic section are said to be conjugate if each chord parallel to one diameter is bisected by the other diameter.
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Answered on 12/12/2016 Learn Hyperbola +2 Class XI-XII Tuition (PUC) Mathematics

Aravind B.

Let the cord parallel to y=mx be y=mx+c..............(1) Then the points of intersection with the hyperbola are given by:- x^2/a^2 - (mx+c)^2/b^2 = 1 or (1/a^2-m^2/b^2)x^2-2mxc/b^2-c^2/b^2-1=0 .....(2) Let (x1,y1) and (x2,y2) be the end points of the cord. Then x1 and x2 both satisfy... read more
Let the cord parallel to y=mx be y=mx+c..............(1) Then the points of intersection with the hyperbola are given by:- x^2/a^2 - (mx+c)^2/b^2 = 1 or (1/a^2-m^2/b^2)x^2-2mxc/b^2-c^2/b^2-1=0 .....(2) Let (x1,y1) and (x2,y2) be the end points of the cord. Then x1 and x2 both satisfy Eq.(2) So x1+x2 = [2mc/b^2]/(1/a^2-m^2/b^2) = 2mc/(b^2/a^2-m^2)...............(3) Let (h,k) be the midpoint of the cord. Then h=(x1+x2)/2 = mc/(b^2/a^2-m^2) and k=(y1+y2)/2. Now both (x1,y1) and (x2,y2) satisfy Eq(1) so that k=mh+c. Substituting the value of c from Eq(3) k=mh+(b^2/a^2-m^2)h/m = b^2/(a^2m) Or a^2 mk = b^2h Therefore the locus of the midpoint (h,k) of the cord is a^2 my = b^2x. read less
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