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Find the lengths of the axes, the co...

Find the lengths of the axes, the coordinates of the vertices and the foci, the eccentricity and length of the latus rectum of the hyperbola
`(x^(2))/(36)-(y^(2))/(64)=1.`

Text Solution

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The equation of the given hyperbola is `(x^(2))/(36)-(y^(2))/(64)=1.`
Comparing the given equation with `(x^(2))/(a^(2))-(y^(2))/(b^(2))=1,` we get
`a^(2)=36 and b^(2)=64.`
`therefore a=6,b=8and c=sqrt(a^(2)+b^(2))=sqrt(36+64)=sqrt(100)=10.`
(i) length of the transverse axis `=2a=(2xx6)` units = 12 units .
Length of the conjugate axis `=2b=(2xx8)` units =16 units.
(ii) The coordinates of the vertices are `A(-c,0) and F_(2)(c,0),i.e., F_(1) (-10,0) and F_(2)(10,0).`
(iv) Eccentricity ,`e=(c)/(a)=(10)/(6)=(5)/(3).`
(v) Length of the latus rectum `(2b^(2))/(a)=((2xx64)/(6))"units"=(64)/(3)"units".`
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