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If the straight lines x=1+s ,y=-3-lambda...

If the straight lines `x=1+s ,y=-3-lambdas ,z=1+lambdasa n dx=t/2,y=1+t ,z=2-t ,` with paramerters `sa n dt ,` respectivley, are coplanar, then find `lambdadot`

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CENGAGE PUBLICATION-THREE DIMENSIONAL GEOMETRY-All Questions
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