`[overset(rightarrow)(a) overset(rightarrow)(b)overset(rightarrow)(c)]` का मान ज्ञात कीजिएः यदि
`overset(rightarrow)(a) =3hati-2hatj+2hatk, overset(rightarrow)(b)=6hati+4hatj-2hatk, overset(rightarrow)(c)=-3hati-2hatj-4hatk`

Answer

`-120`

Explanation

`[veca vecb vecc]=|{:(,a_(1),a_(2),a_(3)),(,b_(1),b_(2),b_(3)),(,c_(1),c_(2),c_(3)):}|`