Learn Maths Matrices , Class 12 Maths Matrices Exercise, Free Online Matrices Lessons

Class 12 Maths Study Material

An Educational platform for Preparation and Practice Class 12. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 12. This study material help Class 12, Maths students in learning every aspect of Matrices . Students can understand Matrices concept easily and consolidate their learning by doing Online Practice Tests on Maths,Matrices chapter repeatedly till they excel in Class 12, Matrices . Free ONLINE PRACTICE TESTS on Class 12, Matrices comprise of Hundreds of Questions on Matrices , prepared by the highly professionals team. Every repeat test of Matrices will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Matrices . Attempt ONLINE TEST on Class 12,Maths,Matrices in Academics section after completing this Matrices Question Answer Exercise.

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Matrices

If is a singular matrix, then x is?

a) (-25/13)
b) 13/25
c) 25/13
d) 5 ? 13

✔Answer

Correct Answer Is : (-25/13)

Solution Is :

If A = , then A is?

a) Singular
b) Non-singular
c) Skew-symmetric
d) Symmetric

✔Answer

Correct Answer Is : Non-singular

Solution Is :

If A = , B = and AB = I , then x = ?

a) 2
b) 0
c) 1
d) -1

✔Answer

Correct Answer Is : 1

Solution Is :

In a skew symmetric matrix, the diagonal elements are all?

a) One
b) Zero
c) Different from each other
d) None of these

✔Answer

Solution Is :

If A is a symmetric matrix, then matrix M`AM is?

a) Hermitian
b) Skew-hermitian
c) Skew-symmetric
d) Symmetric

✔Answer

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Class 12 Maths Study Material

Matrices

If is a singular matrix, then x is?

Correct Answer Is : (-25/13)

Solution Is :

If A = , then A is?

Correct Answer Is : Non-singular

Solution Is :

If A = , B = and AB = I , then x = ?

Correct Answer Is : 1

Solution Is :

In a skew symmetric matrix, the diagonal elements are all?

Correct Answer Is : Zero

Solution Is :

If A and B are two matrices such that AB = B and BA = A, then A2 + B2 = ?

Correct Answer Is : A + B

Solution Is :

If A = , then [tr (A)] = ?

Correct Answer Is : 23

Solution Is :

In order that the matrix be non-singular, λ should not be equal to?

Correct Answer Is : 4

Solution Is :

If A = and A2 = O, then (a,b) = ?

Correct Answer Is : (-2, -2)

Solution Is :

If A = and A2 is the identity matrix, then x = ?

Correct Answer Is : 0

Solution Is :

If A is a symmetric matrix, then matrix M`AM is?

Correct Answer Is : Symmetric

Solution Is :

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If A and B are two matrices such that AB = B and BA = A, then A² + B² = ?

If A = and A² = O, then (a,b) = ?

If A = and A² is the identity matrix, then x = ?