Question:medium

If \( P \) is a non-singular matrix of order \( 5\times5 \) and the sum of the elements of each row is 1, then the sum of the elements of each row in \( P^{-1} \) is:

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Row sums: Vector of ones is eigenvector. Inverse preserves eigenvector.

Updated On: Mar 2, 2026

\( 0 \)
\( 1 \)
\( \frac{1}{8} \)
\( 8 \)

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The Correct Option is B

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