Vectors Question 146
Question: The area of the parallelogram represented by the vectors $ \overrightarrow{A}=2\hat{i}+3\hat{j} $ and $ \overrightarrow{B}=\hat{i}+4\hat{j} $ is
Options:
A) 14 units
B) 7.5 units
C) 10 units
D) 5 units
Correct Answer: D $ |\vec{A}\times \vec{B}|\ =\ |(2\hat{i}+3\hat{j})\times (\hat{i}+4\hat{j})| $ $ =\ |5\hat{k}|\ =\ 5\ units $Show Answer
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