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High School Mathematics - 2
5.8 Vectors - Review
: _____ vector is the identity element for vector addition.
: Find the magnitude of | 3i + 2 j +4 k|
: Find the sum of 3i+4j+3k, 2i+6j+6k, 5i+3j+8k.
: Find a unit vector parallel to the sum of the vectors a = 2i+4j-5k and b = i+2j+3k.
: Find the unit vector in the direction of P(1,2,3) towards Q(4,5,6).
: Find the vector with initial point P(-4,2) and terminal point Q(0,-4).
: Vectors drawn from the origin to the points A, B and C are respectively a, b and 4a-3b. Find AC.
: Find the length of the vector 3i+6j-2k
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