Teaching DSSSB TGT Mock Test 2025 Mathematics Vector Algebra Scalar and Vector Product

यदि \(\rm|\vec{a}|\) = 8, \(\rm|\vec{b}|\) = 3 और \(\rm|\vec{a}\times\vec{b}|\) = 12, तब \(\rm\vec{a}.\vec{b}\) का मान क्या है?

1
6\(\sqrt{3}\)
2
8\(\sqrt{3}\)
3
12\(\sqrt{3}\)
4
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