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Question

Solution

Correct option is

–187

 

Expanding The Determinant By Ist Column, we get: 

         

   

.

SIMILAR QUESTIONS

Q1

The value of  lying between  and satisfying the equation  

        :

Q2

 

          .

          

            

has a non-zero solution, then value of  

         

Q3

If a determinate of  is formed by using the number 1 or –1 then minimum value of determinant is :

Q4

A and B are square matrices and A is non-singular matrix,  : 

Q5

 is :

Q6

The value of  such that the system x – 2y + z = –4, 2x – y + 2z = 2,  has no solution is : 

Q7

The homogeneous system of equation :

 has non-trivial solutions if :

Q8

 :

Q9

then the number of solutions of the system of equations