यदि `veca = a_(1)hati + a_(2)hatj + a_(3)hatk` तथा `vecb = b_(1)hati + b_(2)hatj + b_(3)hatk` हो, तो `veca xx vecb` का मान कीजिए |

Answer

` = (a_(2)b_(3)-b_(2)a_(2))hati-(a_(1)b_(3)-a_(2)b_(1))hatj + (a_(2)b_(3)-a_(3)b_(2))hatk`