Target Exam

CUET

Subject

Section B1

Chapter

Matrices

Question:

Number of symmetric matrices of order $3 \times 3$ with each entry 1 or -1 is:

Options:

512

64

8

4

Correct Answer:

64

Explanation:

The correct answer is Option (2) → 64 ##

Number of symmetric matrices of order $3 \times 3 = 2^6 = 64$