If `veca=hati+hatj+hatk,hatb=hati-hatj+hatk,vecc=hati+2hatj-hatk`, then find the value of `|{:(veca.veca,veca.vecb,veca.vecc),(vecb.veca,vecb.vecb,vecb.vecc),(vecc.veca,vecc.vecb,vecc.vecc):}|`

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`|{:(veca.veca,veca.vecb,veca.vecc),(vecb.veca,vecb.vecb,vecb.vecc),(vecc.veca,vecc.vecb,vecc.vecc):}|=[veca vecbvecc][vecavecbvecc]=[vecavecbvecc]^(2)`
`|{:(veca.veca,veca.vecb,veca.vecc),(vecb.veca,vecb.vecb,vecb.vecc),(vecc.veca,vecc.vecb,vecc.vecc):}|= 4^(2)=16`

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