IPMAT Indore - If A = bmatrix x_1 & x_2 & 7 \\ y_1 & y_2 & y_3 \\ z_1 & 8 & 3 bmatrix is a matrix such that the sum of all three elements along any row, column or diagonal are equal to each other, then the value of determinant of A is: | PYQs + Solutions | AfterBoards