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The lines which intersect the skew lin...

The lines which intersect the skew lines `y=m x ,z=c ; y=-m x ,z=-c` and the x-axis lie on the surface
a. `c z=m x y` b. `x y=c m z` c. `c y=m x z` d. none of these

A

`cz=mxy`

B

`cy=mxz`

C

`xy=cmz`

D

None of these

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B
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