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If the value of 3rd order determinant is , then the value of determinant formed by replacing its…
If the value of 3rd order determinant is $5$, then the value of determinant formed by replacing its element by its co-factor is:
- (a)$5$
- (b)$\frac{1}{5}$
- (c)$125$
- (d)$25$
Answer
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From ISC 2025 Practice Mathematics, question 5.