

MCQOPTIONS
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1. |
Find the scalar product of the vectors ( vec{a}=6 hat{i}-7 hat{j}+5 hat{k} ,and , vec{b}=6 hat{i}-7 hat{k} ) |
A. | 1 |
B. | 8 |
C. | 6 |
D. | 3 |
Answer» B. 8 | |