A=2B where A and B are square matrices of order 3*3 and |B|=5,what is |A|
Answers
Answer:
|A| = 40
Explanation :
|A| = 2^3 |B|
|A| = 8 × 5 = 40
The value of |A| = 40
Given :
- A = 2B where A and B are square matrices of order 3*3
- |B| = 5
To find :
The value of |A|
Concept :
For a square matrix B order n
Where k is non zero constant
Solution :
Step 1 of 2 :
Write down the given data
Here it is given that A = 2B where A and B are square matrices of order 3*3
|B| = 5
Step 2 of 2 :
Find the value of |A|
We know that for a square matrix B order n
Where k is non zero constant
Now the given matrices A and B are square matrices of order 3*3
Thus we get ,
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