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यदि ` vec a = hati + 2 hatj + 3hatk, hatb = 2 hati - 3hatj + hatk " तो" vec a xx vecb` का मान सारणिक में लिखिए |

Answer» ` vec a xx vecb = |{:(hati , hatj , hatk ),(1,2,3),(2, -3, 1 ):}|`


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