1.

If the vector −−→OP=^i+2^j+2^k rotates through a right angle about origin, passing through the positive x−axis on the way becomes −−→OQ=x^i+y^j+z^k, then the value of x−y+z is

Answer»

If the vector OP=^i+2^j+2^k rotates through a right angle about origin, passing through the positive xaxis on the way becomes OQ=x^i+y^j+z^k, then the value of xy+z is



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