state gov DSSSB Patwari Mock Test Mathematics Vector Algebra Applications of Vectors

उस समानांतर चतुर्भुज का क्षेत्रफल क्या है जिसके विकर्ण \(\rm \vec{a}= 3\hat{i} + \hat{j} - 2\hat{k}\) और \(\rm \vec{b}=\hat{i}-3\hat{j}+4\hat{k}\) हैं?

1
\(10\sqrt{3}\)
2
\(5\sqrt{3}\)
3
\(10\sqrt{2}\)
4
\(5\sqrt{2}\)
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