1.

Let →a=^i−^j,→b=^j−^k and →c=^k−^i. If →d is a unit vector, such that →a⋅→d=0=[→b→c→d], then →d is:

Answer»

Let a=^i^j,b=^j^k and c=^k^i. If d is a unit vector, such that ad=0=[bcd], then d is:



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