Matrices and Determinants-Types of Matrices (BITSAT Mathematics): Questions 1 - 3 of 3

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Question number: 1

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

If A is symmetric and nN, then An is –

Choices

Choice (4) Response
a.

Skew – symmetric

b.

Symmetric

c.

Diagonal

d. Both b. and c. are correct

Question number: 2

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

A square matrix A=[aij]n×n is called a diagonal matrix if aij=0 for,

Choices

Choice (4) Response
a.

i<j

b.

i=j

c.

i>j

d.

ij

Question number: 3

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

If inverse of a diagonal matrix is –

Choices

Choice (4) Response
a.

Diagonal

b.

Symmetric

c.

Skew – symmetric

d. None of the above

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