JEE Main 202330 Jan, Morning shiftMathematicsMediumVector Algebra184× since 2002If a→,b→,c→\overrightarrow a ,\overrightarrow b ,\overrightarrow ca,b,c are three non-zero vectors and n^\widehat nn is a unit vector perpendicular to c→\overrightarrow cc such that a→=αb→−n^,(α≠0)\overrightarrow a = \alpha \overrightarrow b - \widehat n,(\alpha \ne 0)a=αb−n,(α=0) and b→ .c→=12\overrightarrow b \,.\overrightarrow c = 12b.c=12, then ∣c→×(a→×b→)∣\left| {\overrightarrow c \times (\overrightarrow a \times \overrightarrow b )} \right|c×(a×b) is equal to :AOption A. 15BOption B. 9COption C. 6DOption D. 12CheckSkip · show solution
