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High School Mathematics - 2
5.9 Position Vector of a Point
Directions: Answer the following.
Q 1
: Find a unit vector parallel to the sum of vectors a = 2i+4j-5k, b = i+2j+3k
2-i8
3/7i + 6/7j - 2/7 k
8i+4j-3k
Q 2
: Find the unit vector in the direction of P(1,2,3) towards Q(4,5,6).
(i+j+k)/
Ö
3
6i+5j+2k
8j-2k
Q 3
: Find the vector joining the initial point P(-4,2) and terminal point Q(0,-4)
4i+6j
8i-6j
4i-6j
Q 4
: Find the unit vector in the direction of of P(1,2) and Q(4,5).
2i+5j
(i+j)/
Ö
2
3i-2j
Question 5: This question is available to subscribers only!
Question 6: This question is available to subscribers only!
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