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Questions  

The coordinates of a point common to a directrix and an asymptote of the hyperbola x225y216=1 are 

a
2541,203
b
2041,−2541
c
253,203
d
−2541,2041

detailed solution

Correct option is D

e2=25+1625⇒e=415Directrix is x=±2541 x=±aeAsymptotes are x225−y216=0So the required coordinates are −2541,2041

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