Teaching EMRS PGT Mock Test 2023 Mathematics Vector Algebra Scalar and Vector Product

दो सदिशों  \(\rm\vec{a}\) और \(\rm\vec{b}\) के बीच का कोण क्या होगा, जिनके परिमाण क्रमशः \(\sqrt{3}\) और 4 हैं और  \(\rm\vec{a}.\vec{b}=2\sqrt{3}\) है?

1
\(\frac{\pi}{6}\)
2
\(\frac{\pi}{3}\)
3
\(\frac{\pi}{2}\)
4
\(\frac{5\pi}{2}\)
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