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If veca and vecb are two vectors, such t...

If `veca and vecb` are two vectors, such that `|veca xx vecb|=2` , then find the value of `[veca vecb` ` veca xx vecb]` .

Text Solution

Verified by Experts

`[veca vecbveca xx vecb]= (vecaxxvecb).(vecaxxvecb)`
`= |vecaxxvecb|^(2)`
=4
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