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Let →c=x^i+y^j+z^k is the external angle bisector between two vectors →a=2^i−^j+3^k and →b=^i+2^j−3^k,|→c|=3√46. Then x+y+z= |
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Answer» Let →c=x^i+y^j+z^k is the external angle bisector between two vectors →a=2^i−^j+3^k and →b=^i+2^j−3^k,|→c|=3√46. Then x+y+z= |
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