Q 1: Find the sum of 3i+4j+3k, 2i+6j+6k, 5i+3j+8k. 12i+6j+2k 13i+7j+5k 10i+13j+17k

Q 2: _____ is the identity element for vector addition. Negative vector Unit vector Zero vector

Q 3: If the sum of two unit vectors is a unit vector, find the magnitude of their difference. 5 3

Q 4: Find the difference of the vectors 3i+4j+8k and i+5j+2k. ij+k 4ij+6k 2i+9j+10k

Q 5: If magnitudes of two vectors are equal, are their directions also equal? Yes No

Q 6: If a and b are noncollinear vectors having the same initial point. Which vector is represented by vec a + vec b? such a vector cannot be formed The vector with the same iniial point and forming the diagonal of the parallelogram determined by ve it is a zero vector

Q 7: What is the additive inverse of a given vector a? Unit vector Negative of the given vector Zero

Q 8: Find the magnitude and direction of vector a  vector b, when magnitude of vector a is 3 and it points towards the east while magnitude of b is 7 and it points towards the west. 10 4 4

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Question 10: This question is available to subscribers only!

