1.

यदि `vec(OA)=2hati-hatj+hatk` तथा `vec(OB)=5hati+3hatj+hatk` तो `overset(wedge)(AB)` का मान ज्ञात किजिये।

Answer» `vec(AB)=vec(OB)-vec(OA)=(5hati+3hatj+hatk)-(2hati-hatj+hatk)`


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