Question

If p + q + r = a + b + c = 0, then the determinant

                 

Solution

Correct option is

0

We have

                 

Similarly,    p3 + q3 + r3 =3pqr

SIMILAR QUESTIONS

Q1

                   

Q2
Q3

If a, b, c are the complex numbers such that a2 + b2 + c2 = 0 and

then value of k is

Q4

If a, b and c are all different from zero and

Is equal to zero , then the value of a-1 + b-1 + c-1 is

Q5

       

Q6

then value of c is given by

 

Q7

The complex number

                    

Q8

If a, b > 0 and

                    

then ∆ has a local minimum at x equal

Q9

If x, y, z are different from zero and

Q10