1.

The vector c directed along the internal bisector of the angle between the vectors a = 7^i − 4^j − 4^k and b = −2^i − ^j + 2^k with |c|=5√6, is

Answer» The vector c directed along the internal bisector of the angle between the vectors a = 7^i 4^j 4^k and b = 2^i ^j + 2^k with |c|=56, is


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