Find the unit vector in the direction of vector b=3i+4j-5k
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Step-by-step explanation:
Unit vector in the direction of vector 3i+4j-5k is given by 3i+4j-5k/(√(3²+4²+(-5)²))
=3i+4j-5k/√(9+16+25)
=3i+4j-5k/√50
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