Question

if m11 is equals to minus 40 e m 12 is equals to minus 10 and 13 is equal to 35 of the determinant 13 - 2 - 56 352 and the value of determinant



​

Answer 1

Answer:

Taking common from 1st determinant  

3

​

,  

5

​

,  

5

​

 from C  

1

​

,C  

2

​

,C  

3

​

 respectively and

Taking common from 2nd determinant  

13

​

,  

5

​

,  

5

​

 from C  

1

​

,C  

2

​

,C  

3

​

 respectively, we get