Question

 

The value of the determinant

          

is zero if

Solution

Correct option is

 

Appling C1 → C2 – 2 cos x C2 + C3 to the given determinant, we get   

          

           

  

SIMILAR QUESTIONS

Q1

The complete solution of the equation  is given by

Q2

 

The number of solutions of the equation

         

in the interval  are 

Q3

 

The number of solutions of the equation  

        

lying in the interval  is

Q5

 then roots of f(x) = 0 are

Q6

The arithmetic mean of the roots of the equation  in the interval (0, 315) is equal to

Q8

The value of x between 0 and  which satisfy the equation  are in A.P. The common difference of the A.P. is

Q9

The equation  where x is a variable, has real roots if p lies in the interval

Q10

The solution of  are