Question

        

Solution

Correct option is

0

By rule for differentiation of a determinant ∆' = ∆+ ∆+ ∆3.

 âˆ†1 is zero because of identical columns and ∆3 = 0 because of a column of all zeros 2 = 0 because C3 in ∆2 is 3/2 C2.

SIMILAR QUESTIONS

Q1
Q2

If the number of distinct real roots of

          

Q3

The value of

                          

Q4

  begin mathsize 20px style the space value space of space x space and space y space is space end style

Q5

The parameter, on which the value of the determinant

                                      

Q6
Q9

If the system of equations x – ky – z = 0, kx – y – z = 0, x + y – z = 0 has a non zero solution, then the possible values of are

Q10

x + ay = 0, y + az = 0, z + ax = 0. The value of a for which the system of equation has infinitely many solutions is