In the cube of side ' a ' shown in the figure, the vector from the central point of the face A B ...

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In the cube of side ' a ' shown in the figure, the vector from the central point of the face A B O D to the central point of the face BEFO will be
[JEE (Main) 2019]
(a) 1/2 a(ĵ-k̂)
(b) 1/2 a(ĵ-î)
(c) 1/2 a(k̂-î)
(d) 1/2 a(î-k̂)

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Are yr mam vaise to que.samjh nahi aa raha uper apka indication pata nahi kaha hai ..bs sunai de raha hai ye point ye point bs 😢

UtkarshKumar-sede