Question 626891
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Hi,
A={{{(matrix(3,3,a1,b1,c1,a2,b2,c2,a3,b3,c3))}}} ={{{(matrix(3,3,6,3,-6,0,6,1,-3,4,0))}}}
I. find value of determinant =  a1(b2c3-c2b3) - b1(a2c3-c2a3) + c1(a2b3-b2a3) = {{{-141}}}