1.

The P. V. of the points A, B, C, D are 3bari-2barj-bark,2bari+3barj-4bark,-bari+barj+2bark,4bari+5barj+lamdabark respectively. If the points A, B, C, D lie on the same plane, then lamda=

Answer»

`-8`
`(-145)/17`
`(-146)/17`
`-7`

Answer :C


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