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High School Mathematics - 2
5.8 Vectors - Review

High School Mathematics - 2
5.8 Vectors - Review

Q 1: Vectors drawn from the origin to the points A, B and C are respectively a, b and 4a-3b. Find AC.
Answer:

Q 2: Find the magnitude of | 3i + 2 j +4 k|
Answer:

Q 3: Find the sum of 3i+4j+3k, 2i+6j+6k, 5i+3j+8k.
Answer:

Q 4: Compute |i+j+k|
Answer:

Q 5: Find the unit vector in the direction of P(1,2,3) towards Q(4,5,6).
Answer:

Q 6: _____ vector is the identity element for vector addition.
Answer:

Q 7: Find the length of the vector 3i+6j-2k
Answer:

Q 8: Find a unit vector parallel to the sum of the vectors a = 2i+4j-5k and b = i+2j+3k.
Answer:

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