If vmatrix a-b&p-q&x-y -c&q-r&y-z -a&r-p&z-x vmatrix =k vmatrix a&b&c &q&r &y&z vmatrix , then what is the value of k?

NDA 2026 Mathematics question

If , then what is the value of ?

Answer: (B)

In the determinant on the left, apply : every entry of the first row becomes zero, since and similarly

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Question ID VK-030266