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The equation of the chord joining the po...

The equation of the chord joining the points `(x_1,y_1) and (x_2,y_2)` on the rectangular hyperbola `xy = c^2` is :

A

`(x)/(x_1+x_2)+(y)/(y_1+y_2)=1`

B

`(x)/(x_1-x_2)+(y)/(y_1-y_2)=1`

C

`(x)/(y_1+y_2)+(y)/(x_1+x_2)=1`

D

`(x)/(y_1-y_2)+(y)/(x_1-x_2)=1`

Text Solution

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The correct Answer is:
A
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