Class 12

3 and 4 .Determinants and Matrices question bank (Maths)

Practice 2,552 free Class 12 Maths - 3 and 4 .Determinants and Matrices questions with answers and step-by-step solutions.

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Q1.

If $M = \begin{bmatrix} 1 & 2 \\ 2 & 3 \end{bmatrix}$ and $M^2 - \lambda M - I_2 = 0$,then $\lambda =$

(A)

$-2$

(B)

$2$

(C)

$-4$

(D)

$4$

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Q2.

If $A = \begin{bmatrix} 1 & 0 & 1 \\ 0 & 1 & 1 \\ 1 & 0 & 0 \end{bmatrix}$,then $A$ is

(A)

Symmetric

(B)

Skew-symmetric

(C)

Non-singular

(D)

Singular

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