vectors-m

Question: The vectors $2\,\mathbf{i}+3\,\mathbf{j}-4\,\mathbf{k}$ and $a\,\mathbf{i}+b\,\mathbf{j}+c\,\mathbf{k}$ are perpendicular, when



1) $a=2,\,\,b=3,\,\,c=-4$
2) $a=4,\,\,b=4,\,\,c=5$
3) $a=4,\,\,b=4,\,\,c=-\,5$
4) None of these
Solution: Explanation: No Explanation
Scalar Product Dot Product

Rate this question:

Average rating: (0 votes)

Previous Question Next Question