Question

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

Solution

Correct option is

1

For no solution,    D = 0  

        

  

.

SIMILAR QUESTIONS

Q1

A’ is any square matrix, then det  is equal to :

Q2

 represent the sides of a triangleABC, then  is equal to :

Q3

  

    :

Q4

If abc are the sides of a ΔABC opposite to angle ABC respectively, then

                             :

Q5

The value of  lying between  and satisfying the equation  

        :

Q6

 

          .

          

            

has a non-zero solution, then value of  

         

Q7

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

Q8

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

Q9

 is :

Q10

The homogeneous system of equation :

 has non-trivial solutions if :