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Mathematics · 2014
JEE Main 2014 · 2014-04-06 Offline · Q85
If [ a × b b × c c × a ]=λ [a, b, c]^2 then λ is equal to:
If $\displaystyle [\overrightarrow{\mathrm{a}} \times \overrightarrow{\mathrm{b}} \overrightarrow{\mathrm{b}} \times \overrightarrow{\mathrm{c}} \overrightarrow{\mathrm{c}} \times \overrightarrow{\mathrm{a}}]=\lambda\left[\begin{array}{lll}\overrightarrow{\mathrm{a}} & \overrightarrow{\mathrm{b}} & \overrightarrow{\mathrm{c}}\end{array}\right]^2$ then $\displaystyle \lambda$ is equal to :
Official answer
(2)
$\displaystyle 1$
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JEE Main 2014 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.