Test Index

UPSC NDA I 2019 Mathematics Solved Paper

© examsnet.com

Question : 10

Total: 120

If A is a square matrix of order n>1 , then which one of the following is correct?

det |−A|=det A
det |−A|=|−1|‌n det A
det |−A|=−det A
det |−A|= n det A

Go to Question:

Prev Question

Next Question