If a =( -2) a + b and =(4 -2) a +3 b be two given vectors where vectors B and b are…
Mathematics · JEE Main · NTA Exams — Vector Algebra
If \(\vec{a}=(\lambda-2) \vec{a}+\vec{b}\) and \(\vec{\beta}=(4 \lambda-2) \vec{a}+3 \vec{b}\) be two given vectors where vectors \(\vec{B} \text { and } \vec{b}\) are non-collinear. The value of λ for which vectors \(\vec{a} \text { and } \vec{\beta}\) are collinear, is-
- 4
- 3
- -3
- -4
Answer
(D) -4
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