If [1 -1 x 1 x 1 x -1 1] has no inverse, then the real value of x is

Question

If [1 -1 x 1 x 1 x -1 1] has no inverse, then the real value of x is (A) 2 (B) 3 (C) 0 (D) 1

Tardigrade Admin · Accepted Answer

If matrix has no inverse it meams the value of determinant should be zero. ∴ |1 -1 x 1 x 1 x -1 1|=0 If we put x=1, then column Ist and IIIrd are identical.

Q. If $⎣ ⎡ 11 x - 1 x - 1 x 11 ⎦ ⎤$ has no inverse, then the real value of $x$ is

2

3

0

1

If matrix has no inverse it meams the value of determinant should be zero.
$∴ ∣ ∣ 11 x - 1 x - 1 x 11 ∣ ∣ = 0$
If we put $x = 1$ , then column Ist and IIIrd are identical.

Q. If ⎣⎡​11x​−1x−1​x11​⎦⎤​ has no inverse, then the real value of x is

2

3

0

1

If matrix has no inverse it meams the value of determinant should be zero. ∴∣∣​11x​−1x−1​x11​∣∣​=0 If we put x=1, then column Ist and IIIrd are identical.

Q. If $⎣ ⎡ 11 x - 1 x - 1 x 11 ⎦ ⎤$ has no inverse, then the real value of $x$ is

If matrix has no inverse it meams the value of determinant should be zero.
$∴ ∣ ∣ 11 x - 1 x - 1 x 11 ∣ ∣ = 0$
If we put $x = 1$ , then column Ist and IIIrd are identical.