Number of symmetric matrices of order $3 \times 3$ with each entry 1 or -1 is:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 64 ##
Number of symmetric matrices of order $3 \times 3 = 2^6 = 64$
Number of symmetric matrices of order $3 \times 3$ with each entry 1 or -1 is:
Correct answer: option 2
The correct answer is Option (2) → 64 ##
Number of symmetric matrices of order $3 \times 3 = 2^6 = 64$