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Question

The combined equation of the asymptotes of the hyperbola x2a2−y2b2=1is x2a2−y2b2=−1..


A

True

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B

False

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Solution

The correct option is B

False


Let y=mx+c be an asymptotes of the hyperbola x2a2y2b2=1

the abscissae of the points of intersection of y=mx+c and are the roots of equation

x2a2(mx+c)2b2=1

x2(b2a2m2)2a2mcxa2(c2+b2)=0 ......................(1)

if the line y=mx+c is a asymptote to the given hyperbola, then it touches the hyperbola at infinity.so,both the roots of equation must be infinity.

coefficient of x2=0

b2a2m2=0

m=±ba

and 2a2mc=0

c=0


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