Question
Mathematics Question on Matrices
Let A=[aij] be a 2×2 matrix such that aij=2∣−3i+j∣ then a21 is :
A
−21
B
25
C
−25
D
21
Answer
25
Explanation
Solution
The correct option is (B):25
Let A=[aij] be a 2×2 matrix such that aij=2∣−3i+j∣ then a21 is :
−21
25
−25
21
25
The correct option is (B):25