JEE Main 202324 Jan, Morning shiftMathematicsMediumVector Algebra184× since 2002Let u→=i^−j^−2k^,v→=2i^+j^−k^,v→. w→=2\overrightarrow u = \widehat i - \widehat j - 2\widehat k,\overrightarrow v = 2\widehat i + \widehat j - \widehat k,\overrightarrow v .\,\overrightarrow w = 2u=i−j−2k,v=2i+j−k,v.w=2 and v→×w→=u→+λv→\overrightarrow v \times \overrightarrow w = \overrightarrow u + \lambda \overrightarrow vv×w=u+λv. Then u→. w→\overrightarrow u .\,\overrightarrow wu.w is equal to :AOption A. −23- {2 \over 3}−32BOption B. 32{3 \over 2}23COption C. 2DOption D. 1CheckSkip · show solution
