Two parabolas have the same focus. If th...

Two parabolas have the same focus. If their directrices are the x- and the y-axis, respectively, then the slope of their common chord is `+-1` (b) `4/3` (c) `3/4` (d) none of these

`-1`

`(3)/(4)`

`(4)/(3)`

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The correct Answer is:

A, B

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