defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Vector Algebra Scalar and Vector Product
सदिश \(\left( {\vec i + \lambda \vec j + 3\vec k} \right)\)और \(\left( {3\vec i + 2\vec j + 9\vec k} \right)\)में λ का मान क्या है जो समानांतर है?
1
\(\frac{2}{3}\)
2
\(\frac{3}{4}\)
3
\(\frac{5}{2}\)
4
\(\frac{1}{2}\)