IPMAT Indore 2024 (SA) - 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
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IPMAT Indore 2024

Modern Math
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Matrices & Determinants

Medium

If A=[x1x27y1y2y3z183]A = \begin{bmatrix} x_1 & x_2 & 7 \\ y_1 & y_2 & y_3 \\ z_1 & 8 & 3 \end{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:

Entered answer:

Correct Answer: 288

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