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Vector Algebra question

2007 · Shift 1 · Q29

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PYQ Library
JEE Advanced
Mathematics
Vector Algebra
2007 · Shift 1 · Q29

Vector Algebra question

2007 · Shift 1 · Q29

JEE AdvancedMathematicsVector AlgebraMCQ+3 / −1

The number of distinct real values of

\lambda

, for which the vectors

- {\lambda ^2}\widehat i + \widehat j + \widehat k,\widehat i - {\lambda ^2}\widehat j + \widehat k

and

\widehat i + \widehat j - {\lambda ^2}\widehat k

are coplanar, is :

A
zero
B
one
C
two
D
three

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