defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Vector Algebra Scalar and Vector Product
यदि \(\vec a = 4\hat i + 6 \hat j\) और \(\vec b = 3 \hat j + 4 \hat k\) है, तो \(\vec b\) के साथ \(\vec a\) का सदिश घटक क्या है?
1
\(\frac{{18}}{{10\sqrt 3 }}(3j + 4k)\)
2
\(\frac{{18}}{{25}}(3j + 4k)\)
3
\(\frac{{18}}{{\sqrt 3 }}(3j + 4k)\)
4
(3j + 4k)