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Questions  

The asymptotes of the hyperbola xy = hx + ky are

a
x-k=0 and y-h=0
b
x+h=0 and y+k=0
c
x - k =0 and y + h = 0
d
x+k= 0 and y-h=0

detailed solution

Correct option is A

The given hyperbola is xy-hx-lq=0 -----1The equation of asymptotes is given by xy−hx−ky+c=0----2Equation (2) gives a pair of straight lines. So, AHGHBFGFC=0or 01/2−h/21/20−k/2−h/2−k/2c=0or  hk8+hk8−c4=0or  c=hkHence, the asymptotes are     xy−hx−ky+hk=0 or      (x−k)(y−h)=0

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