Question

If the system of the linear equations x + y + z = 6, x + 2y + 3z = 14 and 2 x + 5y + λz = μ, (λ, μ ∈ R)  has a unique solution, then

Solution

Correct option is

The given system linear equations has a unique solution if

SIMILAR QUESTIONS

Q1

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

Q2

       

Q3

then value of c is given by

 

Q4

The complex number

                    

Q5

If a, b > 0 and

                    

then ∆ has a local minimum at x equal

Q6

If x, y, z are different from zero and

Q7

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

                 

Q8
Q9

      

Q10