UPSEE 2018 Solved Paper

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Question : 150 of 150

Marks: +1, -0

If ax+by=1 is a tangent to the hyperbola

x2

a2

−

y2

b2

=1, then the value of a2−b2 is

b2e2
1
b2e2
a2e2
1
a2e2

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