1.

The two adjacent sides of a parallelogram are 2^i−4^j+5^k and ^i−2^j−3^k. Find the unit vector parallel to its diagonal. Also, find its area.

Answer»

The two adjacent sides of a parallelogram are 2^i4^j+5^k and ^i2^j3^k. Find the unit vector parallel to its diagonal. Also, find its area.



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