If vecF=2hati+3hatj-hatk and vecr=hati-h...

If `vecF=2hati+3hatj-hatk` and `vecr=hati-hatj+6hatk` find `vecrxxvecF`

`-17hati+13hatj+5hatk`

`-17hati-13hatj-5hatk`

`3hati+4hatj-5hatk`

`-3hati-4hatj+5hatk`

Text Solution

Verified by Experts

The correct Answer is:

`vecrxxvecF=|:(hati,hatj,hatk),(1,-1,6),(2,3,-1):|`

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