Number Of Real Values Of λ For Which The System Of Equations (λ + 3)x + (λ + 2)y + Z = 0         3x + (λ + 3)y + Z = 0                  2x + 3y + Z = 0 Has A Non – Trivial Solution Is

The value of θ lying between θ = 0 and θ = π/2 and satisfying the equation

If pqr ≠ 0 and the system of equations

         (p + a)x + by + cz = 0

         ax + (q + b)y + cz = 0

          ax + by + (r + c)z = 0

has sc non – trivial solution, then value of

The system of equation

              ax + by + (aα + b)z = 0

               bx + cy + (bα + c)z = 0

            (aα + b)x + (bα + c)y = 0

has a non – zero solution if a, b, c are in

The system of equations

            ax + ay – z = 0

            bx – y + bz = 0

         – x + cy + cz = 0

(where a, b, c ≠ – 1 )has a non – trivial solution, then value of

The values of λ for which the system of equations

(λ + 5)x + (λ – 4)y + z = 0

(λ – 2)x + (λ + 3)y + z = 0

                 λx + λy + z = 0

has a non – trivial solution is (are)

The values of λ for which the system of equations

                2x + y + 2z = 2,

                  x – 2y + z = – 4

                  x + y + λz = 4

has no solution is

Evaluate the determinant without expansion as for as possible.