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The vectors lambda i + j +2k, i + lambda...

The vectors `lambda i + j +2k, i + lambda j - k, 2i-j+ lambda k` are coplanar if

A

`lambda = -2`

B

`lambda = 0`

C

`lambda = 1`

D

`lambda =-1`

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The correct Answer is:
A
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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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