Test Index

WBJEE 2014 Maths Solved Paper

© examsnet.com

Question : 25

Total: 80

Let Ι denote the 3 × 3 identity matrix and P be a matrix obtained by rearranging the columns of I. Then

(A) There are six distinct choices for P and det(P) = 1
There are six distinct choices for P and det(P) = ± 1
There are more than one choices for P and some of them are not invertible
There are more than one choices for P and P−1 = I in each choice

Go to Question:

Prev Question

Next Question