1.

Let →a=^i+^j+^k,→b=^i−^j+^k and →c=^i−^j−^k be three vectors. A vector →v in the plane of→a and →b, whose projection on →c is 1√3, is given by

Answer»

Let a=^i+^j+^k,b=^i^j+^k and c=^i^j^k be three vectors. A vector v in the plane of

a and b, whose projection on c is 13, is given by





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