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The middle point of chord x+3y=2 of the ...

The middle point of chord `x+3y=2` of the conic `x^(2)+xy-y^(2)=1,` is

A

(5, -1)

B

(1, 1)

C

(2, 0)

D

(-1, 1)

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The correct Answer is:
D
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