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Vector Algebra question

2019 · 10 Jan · Shift 2 · Q32

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PYQ Library
JEE Main
Mathematics
Vector Algebra
2019 · 10 Jan · Shift 2 · Q32

Vector Algebra question

2019 · 10 Jan · Shift 2 · Q32

JEE MainMathematicsVector AlgebraMCQ+4 / −1

If

\overrightarrow \alpha

=

\left( {\lambda - 2} \right)\overrightarrow a + \overrightarrow b

and

\overrightarrow \beta = \left( {4\lambda - 2} \right)\overrightarrow a + 3\overrightarrow b

be two given vectors

\overrightarrow a

and

\overrightarrow b

are non-collinear. The value of

\lambda

for which vectors

\overrightarrow \alpha

and

\overrightarrow \beta

are collinear, is -

A
4
B
3
C
$-$ 3
D
$-$ 4

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