If A is a singular matrix, then adj A is: - Vidyadip

MCQ

If $A$ is a singular matrix, then $adj A$ is:

A
Non$-$singular.
✓
Singular.
C
Symmetric.
D
Not defined.

✓

Answer

Correct option: B.

Singular.

If $A$ is singular matrix then adjoint of $A$ is also singular.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Adjoint and Inverse of a Matrix→Adjoint and Inverse of a Matrix — all question types→Maths STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

The vector equation of the line passing through the point $2 \hat{i}-3 \hat{j}-5 \hat{k}$ and perpendicular to the plane $\overline{ r } \cdot(6 \hat{ i }-3 \hat{ j }+5 \hat{ k })+2=0$ is

The area of the region bounded by the curve $y=x^3$ and the lines $y=8$ and $x=0$ is

If $\vec{\text{a}}.\vec{\text{b}}=\vec{\text{a}}.\vec{\text{c}}$ and $\vec{\text{a}}\times\vec{\text{b}}=\vec{\text{a}}\times\vec{\text{c}}.\vec{\text{a}}\neq0,$ then:

The straight lines represented by the equation $9 x^2-12 x y+4 y^2=0$ are

Consider a $\text{LPP}$ given by
Minimum $Z = 6x + 10y$
Subjected to $x ≥ 6, y ≥ 2, 2x + y ≥ 10, x ≥ 0, y ≥ 0$
Redundant constraints in this $\text{LPP}$ are

If the planes $x+2 y+ kz =0$ and $2 x+y-2 z=0$ are at right angles, then the value of k is

If $A=\left[\begin{array}{lll}1 & 2 & 1 \\ 3 & 2 & 3 \\ 2 & 1 & 2\end{array}\right]$, then $a_{11} A_{11}+a_{21} A_{21}+a_{31} A_{31}=$

If the plane passing through the points (1,2,3), (2,3,1) and (3,1,2) is $a x+b y+c z=d$ then $a+2 b+3 c=$

$\int_0^1 \sqrt{\frac{1-x}{1+x}} d x=$

A fair coin is tossed a fixed number of times. If the probability of getting seven heads is equal to that of getting nine heads, the probability of getting two heads is: