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If O Aa n dO B are equal perpendicular c...

If `O Aa n dO B` are equal perpendicular chords of the circles `x^2+y^2-2x+4y=0` , then the equations of `O Aa n dO B` are, where `O` is the origin. `3x+y=0` and `3x-y=0` `3x+y=0` and `3y-x=0` `x+3y=0` and `y-3x=0` `x+y=0` and `x-y=0`

A

`2m ^(2) -5m -2=0`

B

`3m ^(2) -8m -3=0`

C

`6m ^(2) + 5m -6=0`

D

`m ^(2) +1=0`

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -EXERCISE (LEVEL 1 ( SINGLE CORRECT ANSWER TYPE QUESTIONS ))
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